19057700492 has 24 divisors (see below), whose sum is σ = 36238755840. Its totient is φ = 8736126480.

The previous prime is 19057700471. The next prime is 19057700509. The reversal of 19057700492 is 29400775091.

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, 4042148 + ... + 4046859.

It is an arithmetic number, because the mean of its divisors is an integer number (1509948160).

Almost surely, 2^19057700492 is an apocalyptic number.

It is an amenable number.

19057700492 is a deficient number, since it is larger than the sum of its proper divisors (17181055348).

19057700492 is a wasteful number, since it uses less digits than its factorization.

19057700492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089061 (or 8089059 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 19057700492 in words is "nineteen billion, fifty-seven million, seven hundred thousand, four hundred ninety-two".