14907205857 has 4 divisors (see below), whose sum is σ = 19876274480. Its totient is φ = 9938137236.

The previous prime is 14907205843. The next prime is 14907205919. The reversal of 14907205857 is 75850270941.

14907205857 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14907205857 - 2¹⁰ = 14907204833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14907204857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2484534307 + ... + 2484534312.

It is an arithmetic number, because the mean of its divisors is an integer number (4969068620).

Almost surely, 2^14907205857 is an apocalyptic number.

It is an amenable number.

14907205857 is a deficient number, since it is larger than the sum of its proper divisors (4969068623).

14907205857 is an equidigital number, since it uses as much as digits as its factorization.

14907205857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969068622.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 14907205857 in words is "fourteen billion, nine hundred seven million, two hundred five thousand, eight hundred fifty-seven".