2919385980 has 72 divisors (see below), whose sum is σ = 10120542432. Its totient is φ = 667287936.

The previous prime is 2919385969. The next prime is 2919385981. The reversal of 2919385980 is 895839192.

2919385980 is a `hidden beast` number, since 2 + 9 + 19 + 38 + 598 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919385981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157227 + ... + 1159746.

Almost surely, 2^2919385980 is an apocalyptic number.

2919385980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2919385980 is an abundant number, since it is smaller than the sum of its proper divisors (7201156452).

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

2919385980 is a wasteful number, since it uses less digits than its factorization.

2919385980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316995 (or 2316990 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 2919385980 is about 54031.3425707709. The cubic root of 2919385980 is about 1429.2137069726.

The spelling of 2919385980 in words is "two billion, nine hundred nineteen million, three hundred eighty-five thousand, nine hundred eighty".