13557407361 has 4 divisors (see below), whose sum is σ = 18076543152. Its totient is φ = 9038271572.

The previous prime is 13557407359. The next prime is 13557407363. The reversal of 13557407361 is 16370475531.

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 an interprime number because it is at equal distance from previous prime (13557407359) and next prime (13557407363).

It is a cyclic number.

It is not a de Polignac number, because 13557407361 - 2¹ = 13557407359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13557407363) 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, 2259567891 + ... + 2259567896.

It is an arithmetic number, because the mean of its divisors is an integer number (4519135788).

Almost surely, 2^13557407361 is an apocalyptic number.

It is an amenable number.

13557407361 is a deficient number, since it is larger than the sum of its proper divisors (4519135791).

13557407361 is an equidigital number, since it uses as much as digits as its factorization.

13557407361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519135790.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 13557407361 in words is "thirteen billion, five hundred fifty-seven million, four hundred seven thousand, three hundred sixty-one".