10121308959 has 4 divisors (see below), whose sum is σ = 13495078616. Its totient is φ = 6747539304.

The previous prime is 10121308943. The next prime is 10121308961. The reversal of 10121308959 is 95980312101.

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

It is not a de Polignac number, because 10121308959 - 2⁴ = 10121308943 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 (10121308919) 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, 1686884824 + ... + 1686884829.

It is an arithmetic number, because the mean of its divisors is an integer number (3373769654).

Almost surely, 2^10121308959 is an apocalyptic number.

10121308959 is a deficient number, since it is larger than the sum of its proper divisors (3373769657).

10121308959 is an equidigital number, since it uses as much as digits as its factorization.

10121308959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373769656.

The product of its (nonzero) digits is 19440, while the sum is 39.

The spelling of 10121308959 in words is "ten billion, one hundred twenty-one million, three hundred eight thousand, nine hundred fifty-nine".