13663135634 has 16 divisors (see below), whose sum is σ = 20639943168. Its totient is φ = 6783234192.

The previous prime is 13663135631. The next prime is 13663135639. The reversal of 13663135634 is 43653136631.

It is a junction number, because it is equal to n+sod(n) for n = 13663135591 and 13663135600.

It is not an unprimeable number, because it can be changed into a prime (13663135631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335084 + ... + 373640.

It is an arithmetic number, because the mean of its divisors is an integer number (1289996448).

Almost surely, 2^13663135634 is an apocalyptic number.

13663135634 is a deficient number, since it is larger than the sum of its proper divisors (6976807534).

13663135634 is a wasteful number, since it uses less digits than its factorization.

13663135634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39809.

The product of its digits is 349920, while the sum is 41.

The spelling of 13663135634 in words is "thirteen billion, six hundred sixty-three million, one hundred thirty-five thousand, six hundred thirty-four".