1979931823026 has 16 divisors (see below), whose sum is σ = 4168277522400. Its totient is φ = 625241628288.

The previous prime is 1979931823019. The next prime is 1979931823027. The reversal of 1979931823026 is 6203281399791.

It is not an unprimeable number, because it can be changed into a prime (1979931823027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8683911391 + ... + 8683911618.

It is an arithmetic number, because the mean of its divisors is an integer number (260517345150).

Almost surely, 2^{1979931823026} is an apocalyptic number.

1979931823026 is an abundant number, since it is smaller than the sum of its proper divisors (2188345699374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1979931823026 is a wasteful number, since it uses less digits than its factorization.

1979931823026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17367823033.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 1979931823026 in words is "one trillion, nine hundred seventy-nine billion, nine hundred thirty-one million, eight hundred twenty-three thousand, twenty-six".