19372134278 has 16 divisors (see below), whose sum is σ = 33264098304. Its totient is φ = 8288661960.

The previous prime is 19372134277. The next prime is 19372134283. The reversal of 19372134278 is 87243127391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19372134277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131308 + ... + 1148303.

It is an arithmetic number, because the mean of its divisors is an integer number (2079006144).

Almost surely, 2^19372134278 is an apocalyptic number.

19372134278 is a deficient number, since it is larger than the sum of its proper divisors (13891964026).

19372134278 is a wasteful number, since it uses less digits than its factorization.

19372134278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280227.

The product of its digits is 508032, while the sum is 47.

It can be divided in two parts, 1937213 and 4278, that added together give a palindrome (1941491).

The spelling of 19372134278 in words is "nineteen billion, three hundred seventy-two million, one hundred thirty-four thousand, two hundred seventy-eight".