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3440091481 is a prime number
BaseRepresentation
bin1100110100001011…
…1010000101011001
322212202010202100121
43031002322011121
524021130411411
61325205033241
7151151203141
oct31502720531
98782122317
103440091481
111505929712
128000b5821
1342a9221b8
14248c45921
15152026571
hexcd0ba159

3440091481 has 2 divisors, whose sum is σ = 3440091482. Its totient is φ = 3440091480.

The previous prime is 3440091469. The next prime is 3440091533. The reversal of 3440091481 is 1841900443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3391315225 + 48776256 = 58235^2 + 6984^2 .

It is an emirp because it is prime and its reverse (1841900443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3440091481 - 25 = 3440091449 is a prime.

It is a super-2 number, since 2×34400914812 = 23668458795297546722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3440091451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720045740 + 1720045741.

It is an arithmetic number, because the mean of its divisors is an integer number (1720045741).

Almost surely, 23440091481 is an apocalyptic number.

It is an amenable number.

3440091481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440091481 is an equidigital number, since it uses as much as digits as its factorization.

3440091481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 3440091481 is about 58652.2930583281. The cubic root of 3440091481 is about 1509.5818442149.

The spelling of 3440091481 in words is "three billion, four hundred forty million, ninety-one thousand, four hundred eighty-one".