1979258910 has 16 divisors (see below), whose sum is σ = 4750221456. Its totient is φ = 527802368.

The previous prime is 1979258909. The next prime is 1979258917. The reversal of 1979258910 is 198529791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979258917) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32987619 + ... + 32987678.

It is an arithmetic number, because the mean of its divisors is an integer number (296888841).

Almost surely, 2^1979258910 is an apocalyptic number.

1979258910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1979258910 is an abundant number, since it is smaller than the sum of its proper divisors (2770962546).

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

1979258910 is a wasteful number, since it uses less digits than its factorization.

1979258910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65975307.

The product of its (nonzero) digits is 408240, while the sum is 51.

The square root of 1979258910 is about 44488.8627636176. The cubic root of 1979258910 is about 1255.5505507613.

The spelling of 1979258910 in words is "one billion, nine hundred seventy-nine million, two hundred fifty-eight thousand, nine hundred ten".