1913872896 has 240 divisors, whose sum is σ = 6094984896. Its totient is φ = 574414848.

The previous prime is 1913872879. The next prime is 1913872913. The reversal of 1913872896 is 6982783191.

It is an interprime number because it is at equal distance from previous prime (1913872879) and next prime (1913872913).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2575501 + ... + 2576243.

Almost surely, 2^1913872896 is an apocalyptic number.

1913872896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1913872896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3047492448).

1913872896 is an abundant number, since it is smaller than the sum of its proper divisors (4181112000).

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

1913872896 is a wasteful number, since it uses less digits than its factorization.

1913872896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 804 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 1913872896 is about 43747.8330434777. The cubic root of 1913872896 is about 1241.5694867975.

The spelling of 1913872896 in words is "one billion, nine hundred thirteen million, eight hundred seventy-two thousand, eight hundred ninety-six".