13674172641 has 4 divisors (see below), whose sum is σ = 18232230192. Its totient is φ = 9116115092.

The previous prime is 13674172639. The next prime is 13674172661. The reversal of 13674172641 is 14627147631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14627147631 = 3 ⋅4875715877.

It is a cyclic number.

It is not a de Polignac number, because 13674172641 - 2¹ = 13674172639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13674172593 and 13674172602.

It is not an unprimeable number, because it can be changed into a prime (13674172661) 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, 2279028771 + ... + 2279028776.

It is an arithmetic number, because the mean of its divisors is an integer number (4558057548).

Almost surely, 2^13674172641 is an apocalyptic number.

It is an amenable number.

13674172641 is a deficient number, since it is larger than the sum of its proper divisors (4558057551).

13674172641 is an equidigital number, since it uses as much as digits as its factorization.

13674172641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558057550.

The product of its digits is 169344, while the sum is 42.

The spelling of 13674172641 in words is "thirteen billion, six hundred seventy-four million, one hundred seventy-two thousand, six hundred forty-one".