79469384669 has 2 divisors, whose sum is σ = 79469384670. Its totient is φ = 79469384668.

The previous prime is 79469384653. The next prime is 79469384671. The reversal of 79469384669 is 96648396497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67203822169 + 12265562500 = 259237^2 + 110750^2 .

It is a cyclic number.

It is not a de Polignac number, because 79469384669 - 2⁴ = 79469384653 is a prime.

It is a super-2 number, since 2×79469384669² (a number of 23 digits) contains 22 as substring.

Together with 79469384671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79469384639) 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, 39734692334 + 39734692335.

It is an arithmetic number, because the mean of its divisors is an integer number (39734692335).

Almost surely, 2^79469384669 is an apocalyptic number.

It is an amenable number.

79469384669 is a deficient number, since it is larger than the sum of its proper divisors (1).

79469384669 is an equidigital number, since it uses as much as digits as its factorization.

79469384669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423263232, while the sum is 71.

The spelling of 79469384669 in words is "seventy-nine billion, four hundred sixty-nine million, three hundred eighty-four thousand, six hundred sixty-nine".