19172037374042 has 32 divisors (see below), whose sum is σ = 33844771488000. Its totient is φ = 8141205878064.

The previous prime is 19172037374033. The next prime is 19172037374053. The reversal of 19172037374042 is 24047373027191.

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, 128125118 + ... + 128274665.

It is an arithmetic number, because the mean of its divisors is an integer number (1057649109000).

Almost surely, 2^{19172037374042} is an apocalyptic number.

19172037374042 is a deficient number, since it is larger than the sum of its proper divisors (14672734113958).

19172037374042 is a wasteful number, since it uses less digits than its factorization.

19172037374042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256399915 (or 256399901 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 19172037374042 in words is "nineteen trillion, one hundred seventy-two billion, thirty-seven million, three hundred seventy-four thousand, forty-two".