79456334393 has 2 divisors, whose sum is σ = 79456334394. Its totient is φ = 79456334392.

The previous prime is 79456334383. The next prime is 79456334411. The reversal of 79456334393 is 39343365497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78213630889 + 1242703504 = 279667^2 + 35252^2 .

It is a cyclic number.

It is not a de Polignac number, because 79456334393 - 2¹² = 79456330297 is a prime.

It is not a weakly prime, because it can be changed into another prime (79456334383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39728167196 + 39728167197.

It is an arithmetic number, because the mean of its divisors is an integer number (39728167197).

Almost surely, 2^79456334393 is an apocalyptic number.

It is an amenable number.

79456334393 is a deficient number, since it is larger than the sum of its proper divisors (1).

79456334393 is an equidigital number, since it uses as much as digits as its factorization.

79456334393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22044960, while the sum is 56.

The spelling of 79456334393 in words is "seventy-nine billion, four hundred fifty-six million, three hundred thirty-four thousand, three hundred ninety-three".