1912992894 has 12 divisors (see below), whose sum is σ = 4144817976. Its totient is φ = 637664292.

The previous prime is 1912992863. The next prime is 1912992899. The reversal of 1912992894 is 4982992191.

It is a self number, because there is not a number n which added to its sum of digits gives 1912992894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912992899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53138674 + ... + 53138709.

It is an arithmetic number, because the mean of its divisors is an integer number (345401498).

Almost surely, 2^1912992894 is an apocalyptic number.

1912992894 is an abundant number, since it is smaller than the sum of its proper divisors (2231825082).

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

1912992894 is a wasteful number, since it uses less digits than its factorization.

1912992894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106277391 (or 106277388 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 1912992894 is about 43737.7742232044. The cubic root of 1912992894 is about 1241.3791657067.

The spelling of 1912992894 in words is "one billion, nine hundred twelve million, nine hundred ninety-two thousand, eight hundred ninety-four".