799900640165419 has 64 divisors (see below), whose sum is σ = 927008784486400. Its totient is φ = 684769718223360.

The previous prime is 799900640165401. The next prime is 799900640165533. The reversal of 799900640165419 is 914561046009997.

It is a cyclic number.

It is not a de Polignac number, because 799900640165419 - 2⁵ = 799900640165387 is a prime.

It is a super-2 number, since 2×799900640165419² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 799900640165419 = 7739³ + 92810³ = 10739³ + 92780³.

It is not an unprimeable number, because it can be changed into a prime (799900640105419) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7955281357 + ... + 7955381905.

It is an arithmetic number, because the mean of its divisors is an integer number (14484512257600).

Almost surely, 2^{799900640165419} is an apocalyptic number.

799900640165419 is the 16328918-th hex number.

799900640165419 is a deficient number, since it is larger than the sum of its proper divisors (127108144320981).

799900640165419 is a wasteful number, since it uses less digits than its factorization.

799900640165419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108660.

The product of its (nonzero) digits is 132269760, while the sum is 70.

The spelling of 799900640165419 in words is "seven hundred ninety-nine trillion, nine hundred billion, six hundred forty million, one hundred sixty-five thousand, four hundred nineteen".