13891792203 has 6 divisors (see below), whose sum is σ = 20065922084. Its totient is φ = 9261194796.

The previous prime is 13891792177. The next prime is 13891792231. The reversal of 13891792203 is 30229719831.

It is not a de Polignac number, because 13891792203 - 2⁹ = 13891791691 is a prime.

It is a super-2 number, since 2×13891792203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13891792283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771766225 + ... + 771766242.

Almost surely, 2^13891792203 is an apocalyptic number.

13891792203 is a deficient number, since it is larger than the sum of its proper divisors (6174129881).

13891792203 is a wasteful number, since it uses less digits than its factorization.

13891792203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543532473 (or 1543532470 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 13891792203 in words is "thirteen billion, eight hundred ninety-one million, seven hundred ninety-two thousand, two hundred three".