19274589445 has 16 divisors (see below), whose sum is σ = 23354500032. Its totient is φ = 15270353280.

The previous prime is 19274589403. The next prime is 19274589541. The reversal of 19274589445 is 54498547291.

It is not a de Polignac number, because 19274589445 - 2⁷ = 19274589317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19274589445.

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, 186934 + ... + 271096.

It is an arithmetic number, because the mean of its divisors is an integer number (1459656252).

Almost surely, 2^19274589445 is an apocalyptic number.

It is an amenable number.

19274589445 is a deficient number, since it is larger than the sum of its proper divisors (4079910587).

19274589445 is a wasteful number, since it uses less digits than its factorization.

19274589445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84612.

The product of its digits is 14515200, while the sum is 58.

The spelling of 19274589445 in words is "nineteen billion, two hundred seventy-four million, five hundred eighty-nine thousand, four hundred forty-five".