76331836829649 has 4 divisors (see below), whose sum is σ = 101775782439536. Its totient is φ = 50887891219764.

The previous prime is 76331836829623. The next prime is 76331836829713. The reversal of 76331836829649 is 94692863813367.

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 not a de Polignac number, because 76331836829649 - 2¹² = 76331836825553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76331836829749) 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, 12721972804939 + ... + 12721972804944.

It is an arithmetic number, because the mean of its divisors is an integer number (25443945609884).

Almost surely, 2^{76331836829649} is an apocalyptic number.

It is an amenable number.

76331836829649 is a deficient number, since it is larger than the sum of its proper divisors (25443945609887).

76331836829649 is a wasteful number, since it uses less digits than its factorization.

76331836829649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25443945609886.

The product of its digits is 1693052928, while the sum is 75.

The spelling of 76331836829649 in words is "seventy-six trillion, three hundred thirty-one billion, eight hundred thirty-six million, eight hundred twenty-nine thousand, six hundred forty-nine".