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3445450458869 is a prime number
BaseRepresentation
bin110010001000110100110…
…110011100011011110101
3110012101022100220011220102
4302020310312130123311
5422422240304140434
611154452412443445
7503632321453406
oct62106466343365
913171270804812
103445450458869
111109230a63581
12477902479585
131bcb9b4a9b93
14bca914a59ad
155e9563aa07e
hex32234d9c6f5

3445450458869 has 2 divisors, whose sum is σ = 3445450458870. Its totient is φ = 3445450458868.

The previous prime is 3445450458841. The next prime is 3445450458893. The reversal of 3445450458869 is 9688540545443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3323558701969 + 121891756900 = 1823063^2 + 349130^2 .

It is an emirp because it is prime and its reverse (9688540545443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3445450458869 is a prime.

It is a super-2 number, since 2×34454504588692 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3445450458899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722725229434 + 1722725229435.

It is an arithmetic number, because the mean of its divisors is an integer number (1722725229435).

Almost surely, 23445450458869 is an apocalyptic number.

It is an amenable number.

3445450458869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445450458869 is an equidigital number, since it uses as much as digits as its factorization.

3445450458869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776000, while the sum is 65.

The spelling of 3445450458869 in words is "three trillion, four hundred forty-five billion, four hundred fifty million, four hundred fifty-eight thousand, eight hundred sixty-nine".