79638629383 has 2 divisors, whose sum is σ = 79638629384. Its totient is φ = 79638629382.

The previous prime is 79638629347. The next prime is 79638629401. The reversal of 79638629383 is 38392683697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79638629383 - 2²⁹ = 79101758471 is a prime.

It is a super-2 number, since 2×79638629383² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79638624383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39819314691 + 39819314692.

It is an arithmetic number, because the mean of its divisors is an integer number (39819314692).

Almost surely, 2^79638629383 is an apocalyptic number.

79638629383 is a deficient number, since it is larger than the sum of its proper divisors (1).

79638629383 is an equidigital number, since it uses as much as digits as its factorization.

79638629383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 64.

The spelling of 79638629383 in words is "seventy-nine billion, six hundred thirty-eight million, six hundred twenty-nine thousand, three hundred eighty-three".