1979371331135 has 16 divisors (see below), whose sum is σ = 2591717077152. Its totient is φ = 1439242752000.

The previous prime is 1979371331083. The next prime is 1979371331149. The reversal of 1979371331135 is 5311331739791.

It is a de Polignac number, because none of the positive numbers 2^k-1979371331135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3483974 + ... + 4012083.

It is an arithmetic number, because the mean of its divisors is an integer number (161982317322).

Almost surely, 2^{1979371331135} is an apocalyptic number.

1979371331135 is a deficient number, since it is larger than the sum of its proper divisors (612345746017).

1979371331135 is a wasteful number, since it uses less digits than its factorization.

1979371331135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500874.

The product of its digits is 1607445, while the sum is 53.

The spelling of 1979371331135 in words is "one trillion, nine hundred seventy-nine billion, three hundred seventy-one million, three hundred thirty-one thousand, one hundred thirty-five".