799209493 has 4 divisors (see below), whose sum is σ = 799266508. Its totient is φ = 799152480.

The previous prime is 799209487. The next prime is 799209503. The reversal of 799209493 is 394902997.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 394902997 = 409 ⋅965533.

It can be written as a sum of positive squares in 2 ways, for example, as 165328164 + 633881329 = 12858^2 + 25177^2 .

It is a cyclic number.

It is not a de Polignac number, because 799209493 - 2⁵ = 799209461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 799209493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799209413) 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, 8755 + ... + 40927.

It is an arithmetic number, because the mean of its divisors is an integer number (199816627).

Almost surely, 2^799209493 is an apocalyptic number.

It is an amenable number.

799209493 is a deficient number, since it is larger than the sum of its proper divisors (57015).

799209493 is a wasteful number, since it uses less digits than its factorization.

799209493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57014.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 799209493 is about 28270.2934721237. The cubic root of 799209493 is about 928.0118985822.

The spelling of 799209493 in words is "seven hundred ninety-nine million, two hundred nine thousand, four hundred ninety-three".