80829693634 has 4 divisors (see below), whose sum is σ = 121244540454. Its totient is φ = 40414846816.

The previous prime is 80829693629. The next prime is 80829693647. The reversal of 80829693634 is 43639692808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78885148225 + 1944545409 = 280865^2 + 44097^2 .

It is an unprimeable number.

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, 20207423407 + ... + 20207423410.

Almost surely, 2^80829693634 is an apocalyptic number.

80829693634 is a deficient number, since it is larger than the sum of its proper divisors (40414846820).

80829693634 is a wasteful number, since it uses less digits than its factorization.

80829693634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40414846819.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 80829693634 in words is "eighty billion, eight hundred twenty-nine million, six hundred ninety-three thousand, six hundred thirty-four".