799699013 has 4 divisors (see below), whose sum is σ = 810653868. Its totient is φ = 788744160.

The previous prime is 799699009. The next prime is 799699097. The reversal of 799699013 is 310996997.

799699013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 503239489 + 296459524 = 22433^2 + 17218^2 .

It is a cyclic number.

It is not a de Polignac number, because 799699013 - 2² = 799699009 is a prime.

It is a super-2 number, since 2×799699013² = 1279037022786348338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799699513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5477318 + ... + 5477463.

It is an arithmetic number, because the mean of its divisors is an integer number (202663467).

Almost surely, 2^799699013 is an apocalyptic number.

799699013 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

799699013 is a deficient number, since it is larger than the sum of its proper divisors (10954855).

799699013 is a wasteful number, since it uses less digits than its factorization.

799699013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954854.

The product of its (nonzero) digits is 826686, while the sum is 53.

The square root of 799699013 is about 28278.9499981877. The cubic root of 799699013 is about 928.2013306274.

The spelling of 799699013 in words is "seven hundred ninety-nine million, six hundred ninety-nine thousand, thirteen".