1917514942 has 24 divisors (see below), whose sum is σ = 3395817864. Its totient is φ = 809523792.

The previous prime is 1917514919. The next prime is 1917514969. The reversal of 1917514942 is 2494157191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139453 + ... + 152584.

It is an arithmetic number, because the mean of its divisors is an integer number (141492411).

Almost surely, 2^1917514942 is an apocalyptic number.

1917514942 is a deficient number, since it is larger than the sum of its proper divisors (1478302922).

1917514942 is a wasteful number, since it uses less digits than its factorization.

1917514942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292120 (or 292113 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 1917514942 is about 43789.4387038701. The cubic root of 1917514942 is about 1242.3565449666.

The spelling of 1917514942 in words is "one billion, nine hundred seventeen million, five hundred fourteen thousand, nine hundred forty-two".