13401610321 has 4 divisors (see below), whose sum is σ = 14619938544. Its totient is φ = 12183282100.

The previous prime is 13401610303. The next prime is 13401610333. The reversal of 13401610321 is 12301610431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13401610321 - 2⁷ = 13401610193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13401610292 and 13401610301.

It is not an unprimeable number, because it can be changed into a prime (13401610361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609164095 + ... + 609164116.

It is an arithmetic number, because the mean of its divisors is an integer number (3654984636).

Almost surely, 2^13401610321 is an apocalyptic number.

13401610321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13401610321 is a deficient number, since it is larger than the sum of its proper divisors (1218328223).

13401610321 is a wasteful number, since it uses less digits than its factorization.

13401610321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218328222.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 13401610321 in words is "thirteen billion, four hundred one million, six hundred ten thousand, three hundred twenty-one".