13409188263 has 6 divisors (see below), whose sum is σ = 19368827504. Its totient is φ = 8939458836.

The previous prime is 13409188259. The next prime is 13409188283. The reversal of 13409188263 is 36288190431.

13409188263 is a `hidden beast` number, since 1 + 3 + 409 + 188 + 2 + 63 = 666.

It is not a de Polignac number, because 13409188263 - 2² = 13409188259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409188223) 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, 744954895 + ... + 744954912.

Almost surely, 2^13409188263 is an apocalyptic number.

13409188263 is a deficient number, since it is larger than the sum of its proper divisors (5959639241).

13409188263 is a wasteful number, since it uses less digits than its factorization.

13409188263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489909813 (or 1489909810 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 13409188263 in words is "thirteen billion, four hundred nine million, one hundred eighty-eight thousand, two hundred sixty-three".