19933013157 has 16 divisors (see below), whose sum is σ = 26868485952. Its totient is φ = 13143283200.

The previous prime is 19933013143. The next prime is 19933013189. The reversal of 19933013157 is 75131033991.

It is not a de Polignac number, because 19933013157 - 2⁴ = 19933013141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19933013197) 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, 452407 + ... + 494507.

It is an arithmetic number, because the mean of its divisors is an integer number (1679280372).

Almost surely, 2^19933013157 is an apocalyptic number.

It is an amenable number.

19933013157 is a deficient number, since it is larger than the sum of its proper divisors (6935472795).

19933013157 is a wasteful number, since it uses less digits than its factorization.

19933013157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43828.

The product of its (nonzero) digits is 76545, while the sum is 42.

The spelling of 19933013157 in words is "nineteen billion, nine hundred thirty-three million, thirteen thousand, one hundred fifty-seven".