79432374653 has 2 divisors, whose sum is σ = 79432374654. Its totient is φ = 79432374652.

The previous prime is 79432374649. The next prime is 79432374667. The reversal of 79432374653 is 35647323497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45472150564 + 33960224089 = 213242^2 + 184283^2 .

It is a cyclic number.

It is not a de Polignac number, because 79432374653 - 2² = 79432374649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79432374595 and 79432374604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79432374613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39716187326 + 39716187327.

It is an arithmetic number, because the mean of its divisors is an integer number (39716187327).

Almost surely, 2^79432374653 is an apocalyptic number.

It is an amenable number.

79432374653 is a deficient number, since it is larger than the sum of its proper divisors (1).

79432374653 is an equidigital number, since it uses as much as digits as its factorization.

79432374653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 53.

The spelling of 79432374653 in words is "seventy-nine billion, four hundred thirty-two million, three hundred seventy-four thousand, six hundred fifty-three".