19273745942 has 32 divisors (see below), whose sum is σ = 33057884160. Its totient is φ = 8342262720.

The previous prime is 19273745929. The next prime is 19273745957. The reversal of 19273745942 is 24954737291.

It is a super-2 number, since 2×19273745942² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27434 + ... + 198242.

It is an arithmetic number, because the mean of its divisors is an integer number (1033058880).

Almost surely, 2^19273745942 is an apocalyptic number.

19273745942 is a deficient number, since it is larger than the sum of its proper divisors (13784138218).

19273745942 is a wasteful number, since it uses less digits than its factorization.

19273745942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171068.

The product of its digits is 3810240, while the sum is 53.

The spelling of 19273745942 in words is "nineteen billion, two hundred seventy-three million, seven hundred forty-five thousand, nine hundred forty-two".