799519021 has 8 divisors (see below), whose sum is σ = 933177600. Its totient is φ = 670720848.

The previous prime is 799518989. The next prime is 799519037. The reversal of 799519021 is 120915997.

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

It is not a de Polignac number, because 799519021 - 2⁵ = 799518989 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 (799519121) 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, 1214746 + ... + 1215403.

It is an arithmetic number, because the mean of its divisors is an integer number (116647200).

Almost surely, 2^799519021 is an apocalyptic number.

It is an amenable number.

799519021 is a deficient number, since it is larger than the sum of its proper divisors (133658579).

799519021 is a wasteful number, since it uses less digits than its factorization.

799519021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430203.

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 799519021 is about 28275.7673812754. The cubic root of 799519021 is about 928.1316871961.

The spelling of 799519021 in words is "seven hundred ninety-nine million, five hundred nineteen thousand, twenty-one".