79238602969 has 2 divisors, whose sum is σ = 79238602970. Its totient is φ = 79238602968.

The previous prime is 79238602943. The next prime is 79238603047. The reversal of 79238602969 is 96920683297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70182606400 + 9055996569 = 264920^2 + 95163^2 .

It is a cyclic number.

It is not a de Polignac number, because 79238602969 - 2³¹ = 77091119321 is a prime.

It is a super-2 number, since 2×79238602969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79238602169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39619301484 + 39619301485.

It is an arithmetic number, because the mean of its divisors is an integer number (39619301485).

Almost surely, 2^79238602969 is an apocalyptic number.

It is an amenable number.

79238602969 is a deficient number, since it is larger than the sum of its proper divisors (1).

79238602969 is an equidigital number, since it uses as much as digits as its factorization.

79238602969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 79238602969 in words is "seventy-nine billion, two hundred thirty-eight million, six hundred two thousand, nine hundred sixty-nine".