13634401403 has 16 divisors (see below), whose sum is σ = 16288957440. Its totient is φ = 11158372896.

The previous prime is 13634401379. The next prime is 13634401411. The reversal of 13634401403 is 30410443631.

It is a cyclic number.

It is not a de Polignac number, because 13634401403 - 2⁸ = 13634401147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13634401483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13658 + ... + 165696.

It is an arithmetic number, because the mean of its divisors is an integer number (1018059840).

Almost surely, 2^13634401403 is an apocalyptic number.

13634401403 is a deficient number, since it is larger than the sum of its proper divisors (2654556037).

13634401403 is a wasteful number, since it uses less digits than its factorization.

13634401403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152626.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 13634401403 in words is "thirteen billion, six hundred thirty-four million, four hundred one thousand, four hundred three".