1979522799 has 16 divisors (see below), whose sum is σ = 2653846272. Its totient is φ = 1312460928.

The previous prime is 1979522749. The next prime is 1979522801. The reversal of 1979522799 is 9972259791.

It is not a de Polignac number, because 1979522799 - 2⁹ = 1979522287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979522719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461127 + ... + 465399.

It is an arithmetic number, because the mean of its divisors is an integer number (165865392).

Almost surely, 2^1979522799 is an apocalyptic number.

1979522799 is a deficient number, since it is larger than the sum of its proper divisors (674323473).

1979522799 is a wasteful number, since it uses less digits than its factorization.

1979522799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086.

The product of its digits is 6429780, while the sum is 60.

The square root of 1979522799 is about 44491.8284519753. The cubic root of 1979522799 is about 1255.6063479512.

The spelling of 1979522799 in words is "one billion, nine hundred seventy-nine million, five hundred twenty-two thousand, seven hundred ninety-nine".