19353144028 has 24 divisors (see below), whose sum is σ = 34132957040. Its totient is φ = 9600958080.

The previous prime is 19353144001. The next prime is 19353144043. The reversal of 19353144028 is 82044135391.

It is a happy number.

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, 958000 + ... + 977992.

Almost surely, 2^19353144028 is an apocalyptic number.

It is an amenable number.

19353144028 is a deficient number, since it is larger than the sum of its proper divisors (14779813012).

19353144028 is a wasteful number, since it uses less digits than its factorization.

19353144028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21877 (or 21875 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 19353144028 in words is "nineteen billion, three hundred fifty-three million, one hundred forty-four thousand, twenty-eight".