19442334274 has 32 divisors (see below), whose sum is σ = 34160683392. Its totient is φ = 8200416000.

The previous prime is 19442334239. The next prime is 19442334277. The reversal of 19442334274 is 47243324491.

It is a self number, because there is not a number n which added to its sum of digits gives 19442334274.

It is not an unprimeable number, because it can be changed into a prime (19442334277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339537 + ... + 392644.

It is an arithmetic number, because the mean of its divisors is an integer number (1067521356).

Almost surely, 2^19442334274 is an apocalyptic number.

19442334274 is a deficient number, since it is larger than the sum of its proper divisors (14718349118).

19442334274 is a wasteful number, since it uses less digits than its factorization.

19442334274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732282.

The product of its digits is 580608, while the sum is 43.

The spelling of 19442334274 in words is "nineteen billion, four hundred forty-two million, three hundred thirty-four thousand, two hundred seventy-four".