1879949965 has 32 divisors (see below), whose sum is σ = 2509516800. Its totient is φ = 1345481280.

The previous prime is 1879949959. The next prime is 1879950001. The reversal of 1879949965 is 5699499781.

It is not a de Polignac number, because 1879949965 - 2⁹ = 1879949453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1879949965.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167170 + ... + 178060.

It is an arithmetic number, because the mean of its divisors is an integer number (78422400).

Almost surely, 2^1879949965 is an apocalyptic number.

It is an amenable number.

1879949965 is a deficient number, since it is larger than the sum of its proper divisors (629566835).

1879949965 is a wasteful number, since it uses less digits than its factorization.

1879949965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11017.

The product of its digits is 44089920, while the sum is 67.

The square root of 1879949965 is about 43358.3897879061. The cubic root of 1879949965 is about 1234.1902092995.

The spelling of 1879949965 in words is "one billion, eight hundred seventy-nine million, nine hundred forty-nine thousand, nine hundred sixty-five".