1913820712 has 32 divisors (see below), whose sum is σ = 3706848000. Its totient is φ = 925372800.

The previous prime is 1913820709. The next prime is 1913820721. The reversal of 1913820712 is 2170283191.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626164 + ... + 629212.

It is an arithmetic number, because the mean of its divisors is an integer number (115839000).

Almost surely, 2^1913820712 is an apocalyptic number.

It is an amenable number.

1913820712 is a deficient number, since it is larger than the sum of its proper divisors (1793027288).

1913820712 is a wasteful number, since it uses less digits than its factorization.

1913820712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1913820712 is about 43747.2366212999. The cubic root of 1913820712 is about 1241.5582024099.

The spelling of 1913820712 in words is "one billion, nine hundred thirteen million, eight hundred twenty thousand, seven hundred twelve".