13601402945 has 16 divisors (see below), whose sum is σ = 18052260240. Its totient is φ = 9772648704.

The previous prime is 13601402933. The next prime is 13601402951. The reversal of 13601402945 is 54920410631.

It can be written as a sum of positive squares in 8 ways, for example, as 389509696 + 13211893249 = 19736^2 + 114943^2 .

It is not a de Polignac number, because 13601402945 - 2²² = 13597208641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2825330 + ... + 2830139.

It is an arithmetic number, because the mean of its divisors is an integer number (1128266265).

Almost surely, 2^13601402945 is an apocalyptic number.

It is an amenable number.

13601402945 is a deficient number, since it is larger than the sum of its proper divisors (4450857295).

13601402945 is a wasteful number, since it uses less digits than its factorization.

13601402945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655524.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 13601402945 in words is "thirteen billion, six hundred one million, four hundred two thousand, nine hundred forty-five".