2640686083199 has 8 divisors (see below), whose sum is σ = 2706664947840. Its totient is φ = 2574782070400.

The previous prime is 2640686083187. The next prime is 2640686083237. The reversal of 2640686083199 is 9913806860462.

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 2640686083199 - 2⁸ = 2640686082943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640686083999) 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, 18641519 + ... + 18782640.

It is an arithmetic number, because the mean of its divisors is an integer number (338333118480).

Almost surely, 2^{2640686083199} is an apocalyptic number.

2640686083199 is a deficient number, since it is larger than the sum of its proper divisors (65978864641).

2640686083199 is a wasteful number, since it uses less digits than its factorization.

2640686083199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37425921.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 2640686083199 in words is "two trillion, six hundred forty billion, six hundred eighty-six million, eighty-three thousand, one hundred ninety-nine".