19237878742 has 16 divisors (see below), whose sum is σ = 30558323952. Its totient is φ = 9051920640.

The previous prime is 19237878701. The next prime is 19237878797. The reversal of 19237878742 is 24787873291.

It is a congruent number.

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, 256513 + ... + 322915.

It is an arithmetic number, because the mean of its divisors is an integer number (1909895247).

Almost surely, 2^19237878742 is an apocalyptic number.

19237878742 is a deficient number, since it is larger than the sum of its proper divisors (11320445210).

19237878742 is a wasteful number, since it uses less digits than its factorization.

19237878742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74943.

The product of its digits is 9483264, while the sum is 58.

The spelling of 19237878742 in words is "nineteen billion, two hundred thirty-seven million, eight hundred seventy-eight thousand, seven hundred forty-two".