13649806126 has 16 divisors (see below), whose sum is σ = 22340976768. Its totient is φ = 6203087800.

The previous prime is 13649806087. The next prime is 13649806127. The reversal of 13649806126 is 62160894631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649806127) 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, 37071 + ... + 169333.

It is an arithmetic number, because the mean of its divisors is an integer number (1396311048).

Almost surely, 2^13649806126 is an apocalyptic number.

13649806126 is a deficient number, since it is larger than the sum of its proper divisors (8691170642).

13649806126 is a wasteful number, since it uses less digits than its factorization.

13649806126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136967.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 13649806126 in words is "thirteen billion, six hundred forty-nine million, eight hundred six thousand, one hundred twenty-six".