15364797793 has 2 divisors, whose sum is σ = 15364797794. Its totient is φ = 15364797792.

The previous prime is 15364797781. The next prime is 15364797803. The reversal of 15364797793 is 39779746351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15364346209 + 451584 = 123953^2 + 672^2 .

It is a cyclic number.

It is not a de Polignac number, because 15364797793 - 2¹⁷ = 15364666721 is a prime.

It is a super-2 number, since 2×15364797793² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15364797733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7682398896 + 7682398897.

It is an arithmetic number, because the mean of its divisors is an integer number (7682398897).

Almost surely, 2^15364797793 is an apocalyptic number.

It is an amenable number.

15364797793 is a deficient number, since it is larger than the sum of its proper divisors (1).

15364797793 is an equidigital number, since it uses as much as digits as its factorization.

15364797793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30005640, while the sum is 61.

The spelling of 15364797793 in words is "fifteen billion, three hundred sixty-four million, seven hundred ninety-seven thousand, seven hundred ninety-three".