2399661636013 has 8 divisors (see below), whose sum is σ = 2434135017600. Its totient is φ = 2365290702528.

The previous prime is 2399661636011. The next prime is 2399661636083. The reversal of 2399661636013 is 3106361669932.

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

It is a cyclic number.

It is not a de Polignac number, because 2399661636013 - 2¹ = 2399661636011 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 (2399661636011) 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, 25564843 + ... + 25658536.

It is an arithmetic number, because the mean of its divisors is an integer number (304266877200).

Almost surely, 2^{2399661636013} is an apocalyptic number.

It is an amenable number.

2399661636013 is a deficient number, since it is larger than the sum of its proper divisors (34473381587).

2399661636013 is an equidigital number, since it uses as much as digits as its factorization.

2399661636013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51224051.

The product of its (nonzero) digits is 5668704, while the sum is 55.

The spelling of 2399661636013 in words is "two trillion, three hundred ninety-nine billion, six hundred sixty-one million, six hundred thirty-six thousand, thirteen".