1913105996 has 24 divisors (see below), whose sum is σ = 3365817840. Its totient is φ = 951457472.

The previous prime is 1913105981. The next prime is 1913106047. The reversal of 1913105996 is 6995013191.

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, 771110 + ... + 773586.

It is an arithmetic number, because the mean of its divisors is an integer number (140242410).

Almost surely, 2^1913105996 is an apocalyptic number.

It is an amenable number.

1913105996 is a deficient number, since it is larger than the sum of its proper divisors (1452711844).

1913105996 is a wasteful number, since it uses less digits than its factorization.

1913105996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 1913105996 is about 43739.0671596915. The cubic root of 1913105996 is about 1241.4036299376.

The spelling of 1913105996 in words is "one billion, nine hundred thirteen million, one hundred five thousand, nine hundred ninety-six".