19934014463 has 48 divisors (see below), whose sum is σ = 23299261440. Its totient is φ = 16908091200.

The previous prime is 19934014453. The next prime is 19934014469. The reversal of 19934014463 is 36441043991.

It is not a de Polignac number, because 19934014463 - 2²⁶ = 19866905599 is a prime.

It is a super-2 number, since 2×19934014463² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19934014469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47348993 + ... + 47349413.

It is an arithmetic number, because the mean of its divisors is an integer number (485401280).

Almost surely, 2^19934014463 is an apocalyptic number.

19934014463 is a deficient number, since it is larger than the sum of its proper divisors (3365246977).

19934014463 is a wasteful number, since it uses less digits than its factorization.

19934014463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 19934014463 in words is "nineteen billion, nine hundred thirty-four million, fourteen thousand, four hundred sixty-three".