15295808641 has 2 divisors, whose sum is σ = 15295808642. Its totient is φ = 15295808640.

The previous prime is 15295808609. The next prime is 15295808651. The reversal of 15295808641 is 14680859251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14898643600 + 397165041 = 122060^2 + 19929^2 .

It is a cyclic number.

It is not a de Polignac number, because 15295808641 - 2⁵ = 15295808609 is a prime.

It is not a weakly prime, because it can be changed into another prime (15295808651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7647904320 + 7647904321.

It is an arithmetic number, because the mean of its divisors is an integer number (7647904321).

Almost surely, 2^15295808641 is an apocalyptic number.

It is an amenable number.

15295808641 is a deficient number, since it is larger than the sum of its proper divisors (1).

15295808641 is an equidigital number, since it uses as much as digits as its factorization.

15295808641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 15295808641 in words is "fifteen billion, two hundred ninety-five million, eight hundred eight thousand, six hundred forty-one".