13775532129 has 12 divisors (see below), whose sum is σ = 19911427536. Its totient is φ = 9177486552.

The previous prime is 13775532103. The next prime is 13775532167. The reversal of 13775532129 is 92123557731.

13775532129 is a `hidden beast` number, since 1 + 3 + 77 + 553 + 2 + 1 + 29 = 666.

It is not a de Polignac number, because 13775532129 - 2⁵ = 13775532097 is a prime.

It is a super-2 number, since 2×13775532129² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13775530129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502707 + ... + 529400.

It is an arithmetic number, because the mean of its divisors is an integer number (1659285628).

Almost surely, 2^13775532129 is an apocalyptic number.

It is an amenable number.

13775532129 is a deficient number, since it is larger than the sum of its proper divisors (6135895407).

13775532129 is a wasteful number, since it uses less digits than its factorization.

13775532129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033596 (or 1033593 counting only the distinct ones).

The product of its digits is 396900, while the sum is 45.

The spelling of 13775532129 in words is "thirteen billion, seven hundred seventy-five million, five hundred thirty-two thousand, one hundred twenty-nine".