1979105512 has 16 divisors (see below), whose sum is σ = 3906129600. Its totient is φ = 937470960.

The previous prime is 1979105501. The next prime is 1979105539. The reversal of 1979105512 is 2155019791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6510064 + ... + 6510367.

It is an arithmetic number, because the mean of its divisors is an integer number (244133100).

Almost surely, 2^1979105512 is an apocalyptic number.

It is an amenable number.

1979105512 is a deficient number, since it is larger than the sum of its proper divisors (1927024088).

1979105512 is a wasteful number, since it uses less digits than its factorization.

1979105512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020456 (or 13020452 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 40.

The square root of 1979105512 is about 44487.1387257036. The cubic root of 1979105512 is about 1255.5181137183.

The spelling of 1979105512 in words is "one billion, nine hundred seventy-nine million, one hundred five thousand, five hundred twelve".