10399563399 has 4 divisors (see below), whose sum is σ = 13866084536. Its totient is φ = 6933042264.

The previous prime is 10399563319. The next prime is 10399563401. The reversal of 10399563399 is 99336599301.

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

It is not a de Polignac number, because 10399563399 - 2⁷ = 10399563271 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 (10399563319) 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, 1733260564 + ... + 1733260569.

It is an arithmetic number, because the mean of its divisors is an integer number (3466521134).

Almost surely, 2^10399563399 is an apocalyptic number.

10399563399 is a deficient number, since it is larger than the sum of its proper divisors (3466521137).

10399563399 is an equidigital number, since it uses as much as digits as its factorization.

10399563399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466521136.

The product of its (nonzero) digits is 5314410, while the sum is 57.

The spelling of 10399563399 in words is "ten billion, three hundred ninety-nine million, five hundred sixty-three thousand, three hundred ninety-nine".