13479123746 has 16 divisors (see below), whose sum is σ = 22064313600. Its totient is φ = 6124772880.

The previous prime is 13479123743. The next prime is 13479123751. The reversal of 13479123746 is 64732197431.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13479123746.

It is not an unprimeable number, because it can be changed into a prime (13479123743) 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, 38546 + ... + 168653.

It is an arithmetic number, because the mean of its divisors is an integer number (1379019600).

Almost surely, 2^13479123746 is an apocalyptic number.

13479123746 is a deficient number, since it is larger than the sum of its proper divisors (8585189854).

13479123746 is a wasteful number, since it uses less digits than its factorization.

13479123746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210169.

The product of its digits is 762048, while the sum is 47.

The spelling of 13479123746 in words is "thirteen billion, four hundred seventy-nine million, one hundred twenty-three thousand, seven hundred forty-six".