1913441860 has 48 divisors (see below), whose sum is σ = 4387219200. Its totient is φ = 695210240.

The previous prime is 1913441809. The next prime is 1913441899. The reversal of 1913441860 is 681443191.

It is a super-2 number, since 2×1913441860² = 7322519503200519200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 324216 + ... + 330064.

It is an arithmetic number, because the mean of its divisors is an integer number (91400400).

Almost surely, 2^1913441860 is an apocalyptic number.

1913441860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1913441860 is an abundant number, since it is smaller than the sum of its proper divisors (2473777340).

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

1913441860 is a wasteful number, since it uses less digits than its factorization.

1913441860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356 (or 7354 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1913441860 is about 43742.9063963519. The cubic root of 1913441860 is about 1241.4762724349.

The spelling of 1913441860 in words is "one billion, nine hundred thirteen million, four hundred forty-one thousand, eight hundred sixty".