13556902347 has 12 divisors (see below), whose sum is σ = 19591879320. Its totient is φ = 9033463968.

The previous prime is 13556902327. The next prime is 13556902349. The reversal of 13556902347 is 74320965531.

13556902347 is a `hidden beast` number, since 1 + 3 + 556 + 90 + 2 + 3 + 4 + 7 = 666.

13556902347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13556902347 - 2⁸ = 13556902091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13556902349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353322 + ... + 389807.

It is an arithmetic number, because the mean of its divisors is an integer number (1632656610).

Almost surely, 2^13556902347 is an apocalyptic number.

13556902347 is a deficient number, since it is larger than the sum of its proper divisors (6034976973).

13556902347 is a wasteful number, since it uses less digits than its factorization.

13556902347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745162 (or 745159 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 13556902347 in words is "thirteen billion, five hundred fifty-six million, nine hundred two thousand, three hundred forty-seven".