13465725761 has 4 divisors (see below), whose sum is σ = 13466194992. Its totient is φ = 13465256532.

The previous prime is 13465725743. The next prime is 13465725839. The reversal of 13465725761 is 16752756431.

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 a cyclic number.

It is not a de Polignac number, because 13465725761 - 2¹⁴ = 13465709377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13465725461) 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, 188555 + ... + 249968.

It is an arithmetic number, because the mean of its divisors is an integer number (3366548748).

Almost surely, 2^13465725761 is an apocalyptic number.

It is an amenable number.

13465725761 is a deficient number, since it is larger than the sum of its proper divisors (469231).

13465725761 is an equidigital number, since it uses as much as digits as its factorization.

13465725761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469230.

The product of its digits is 1058400, while the sum is 47.

The spelling of 13465725761 in words is "thirteen billion, four hundred sixty-five million, seven hundred twenty-five thousand, seven hundred sixty-one".