676388516929 has 4 divisors (see below), whose sum is σ = 679787454400. Its totient is φ = 672989579460.

The previous prime is 676388516911. The next prime is 676388516939. The reversal of 676388516929 is 929615883676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 676388516929 - 2⁵ = 676388516897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676388516939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699468437 + ... + 1699468834.

It is an arithmetic number, because the mean of its divisors is an integer number (169946863600).

Almost surely, 2^676388516929 is an apocalyptic number.

It is an amenable number.

676388516929 is a deficient number, since it is larger than the sum of its proper divisors (3398937471).

676388516929 is a wasteful number, since it uses less digits than its factorization.

676388516929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398937470.

The product of its digits is 235146240, while the sum is 70.

The spelling of 676388516929 in words is "six hundred seventy-six billion, three hundred eighty-eight million, five hundred sixteen thousand, nine hundred twenty-nine".