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3815450375797 is a prime number
BaseRepresentation
bin110111100001011010100…
…100000111011001110101
3111111202100022000102120101
4313201122210013121311
51000003020244011142
612040443235034101
7542441263041364
oct67413244073165
914452308012511
103815450375797
11124113a2a5495
1251756273b931
13218a45724378
14d29511db7db
15693ae1600b7
hex3785a907675

3815450375797 has 2 divisors, whose sum is σ = 3815450375798. Its totient is φ = 3815450375796.

The previous prime is 3815450375731. The next prime is 3815450375813. The reversal of 3815450375797 is 7975730545183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3383388681201 + 432061694596 = 1839399^2 + 657314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3815450375797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3815450375497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907725187898 + 1907725187899.

It is an arithmetic number, because the mean of its divisors is an integer number (1907725187899).

Almost surely, 23815450375797 is an apocalyptic number.

It is an amenable number.

3815450375797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3815450375797 is an equidigital number, since it uses as much as digits as its factorization.

3815450375797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132000, while the sum is 64.

The spelling of 3815450375797 in words is "three trillion, eight hundred fifteen billion, four hundred fifty million, three hundred seventy-five thousand, seven hundred ninety-seven".