13346617541 has 4 divisors (see below), whose sum is σ = 13707336972. Its totient is φ = 12985898112.

The previous prime is 13346617517. The next prime is 13346617547. The reversal of 13346617541 is 14571664331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6379376641 + 6967240900 = 79871^2 + 83470^2 .

It is a cyclic number.

It is not a de Polignac number, because 13346617541 - 2⁶ = 13346617477 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 (13346617547) 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, 180359660 + ... + 180359733.

It is an arithmetic number, because the mean of its divisors is an integer number (3426834243).

Almost surely, 2^13346617541 is an apocalyptic number.

It is an amenable number.

13346617541 is a deficient number, since it is larger than the sum of its proper divisors (360719431).

13346617541 is an equidigital number, since it uses as much as digits as its factorization.

13346617541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360719430.

The product of its digits is 181440, while the sum is 41.

The spelling of 13346617541 in words is "thirteen billion, three hundred forty-six million, six hundred seventeen thousand, five hundred forty-one".