79699954282493 has 2 divisors, whose sum is σ = 79699954282494. Its totient is φ = 79699954282492.

The previous prime is 79699954282469. The next prime is 79699954282513. The reversal of 79699954282493 is 39428245999697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65000068556644 + 14699885725849 = 8062262^2 + 3834043^2 .

It is a cyclic number.

It is not a de Polignac number, because 79699954282493 - 2¹⁴ = 79699954266109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79699954282393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39849977141246 + 39849977141247.

It is an arithmetic number, because the mean of its divisors is an integer number (39849977141247).

Almost surely, 2^{79699954282493} is an apocalyptic number.

It is an amenable number.

79699954282493 is a deficient number, since it is larger than the sum of its proper divisors (1).

79699954282493 is an equidigital number, since it uses as much as digits as its factorization.

79699954282493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19046845440, while the sum is 86.

The spelling of 79699954282493 in words is "seventy-nine trillion, six hundred ninety-nine billion, nine hundred fifty-four million, two hundred eighty-two thousand, four hundred ninety-three".