15464940797 has 2 divisors, whose sum is σ = 15464940798. Its totient is φ = 15464940796.

The previous prime is 15464940739. The next prime is 15464940823. The reversal of 15464940797 is 79704946451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13889565316 + 1575375481 = 117854^2 + 39691^2 .

It is a cyclic number.

It is not a de Polignac number, because 15464940797 - 2¹⁴ = 15464924413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15464940707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7732470398 + 7732470399.

It is an arithmetic number, because the mean of its divisors is an integer number (7732470399).

Almost surely, 2^15464940797 is an apocalyptic number.

It is an amenable number.

15464940797 is a deficient number, since it is larger than the sum of its proper divisors (1).

15464940797 is an equidigital number, since it uses as much as digits as its factorization.

15464940797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 15464940797 in words is "fifteen billion, four hundred sixty-four million, nine hundred forty thousand, seven hundred ninety-seven".