13601623405 has 8 divisors (see below), whose sum is σ = 16322793984. Its totient is φ = 10880734800.

The previous prime is 13601623403. The next prime is 13601623411. The reversal of 13601623405 is 50432610631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13601623405 - 2¹ = 13601623403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601623403) 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, 56400 + ... + 174310.

It is an arithmetic number, because the mean of its divisors is an integer number (2040349248).

Almost surely, 2^13601623405 is an apocalyptic number.

It is an amenable number.

13601623405 is a deficient number, since it is larger than the sum of its proper divisors (2721170579).

13601623405 is a wasteful number, since it uses less digits than its factorization.

13601623405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140987.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 13601623405 in words is "thirteen billion, six hundred one million, six hundred twenty-three thousand, four hundred five".