12454041665 has 8 divisors (see below), whose sum is σ = 16094453928. Its totient is φ = 9196830720.

The previous prime is 12454041661. The next prime is 12454041671. The reversal of 12454041665 is 56614045421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 731215681 + 11722825984 = 27041^2 + 108272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12454041665 - 2² = 12454041661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12454041661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95800256 + ... + 95800385.

It is an arithmetic number, because the mean of its divisors is an integer number (2011806741).

Almost surely, 2^12454041665 is an apocalyptic number.

It is an amenable number.

12454041665 is a deficient number, since it is larger than the sum of its proper divisors (3640412263).

12454041665 is a wasteful number, since it uses less digits than its factorization.

12454041665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191600659.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 12454041665 in words is "twelve billion, four hundred fifty-four million, forty-one thousand, six hundred sixty-five".