10206399845 has 16 divisors (see below), whose sum is σ = 12783094272. Its totient is φ = 7808338560.

The previous prime is 10206399839. The next prime is 10206399857. The reversal of 10206399845 is 54899360201.

10206399845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10206399845 - 2⁴ = 10206399829 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 10206399845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737540 + ... + 751250.

It is an arithmetic number, because the mean of its divisors is an integer number (798943392).

Almost surely, 2^10206399845 is an apocalyptic number.

It is an amenable number.

10206399845 is a deficient number, since it is larger than the sum of its proper divisors (2576694427).

10206399845 is a wasteful number, since it uses less digits than its factorization.

10206399845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20212.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 10206399845 in words is "ten billion, two hundred six million, three hundred ninety-nine thousand, eight hundred forty-five".