1979418170 has 16 divisors (see below), whose sum is σ = 3572667648. Its totient is φ = 789608400.

The previous prime is 1979418143. The next prime is 1979418179. The reversal of 1979418170 is 718149791.

It is a super-2 number, since 2×1979418170² = 7836192583452297800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1979418179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266006 + ... + 273345.

It is an arithmetic number, because the mean of its divisors is an integer number (223291728).

Almost surely, 2^1979418170 is an apocalyptic number.

1979418170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1979418170 is a deficient number, since it is larger than the sum of its proper divisors (1593249478).

1979418170 is a wasteful number, since it uses less digits than its factorization.

1979418170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539725.

The product of its (nonzero) digits is 127008, while the sum is 47.

The square root of 1979418170 is about 44490.6526137794. The cubic root of 1979418170 is about 1255.5842255906.

The spelling of 1979418170 in words is "one billion, nine hundred seventy-nine million, four hundred eighteen thousand, one hundred seventy".