944717953853 has 4 divisors (see below), whose sum is σ = 954457314300. Its totient is φ = 934978593408.

The previous prime is 944717953759. The next prime is 944717953867. The reversal of 944717953853 is 358359717449.

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

It can be written as a sum of positive squares in 2 ways, for example, as 590642972089 + 354074981764 = 768533^2 + 595042^2 .

It is a cyclic number.

It is not a de Polignac number, because 944717953853 - 2²⁴ = 944701176637 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 944717953853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944717952853) 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, 4869680078 + ... + 4869680271.

It is an arithmetic number, because the mean of its divisors is an integer number (238614328575).

Almost surely, 2^944717953853 is an apocalyptic number.

It is an amenable number.

944717953853 is a deficient number, since it is larger than the sum of its proper divisors (9739360447).

944717953853 is an equidigital number, since it uses as much as digits as its factorization.

944717953853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739360446.

The product of its digits is 114307200, while the sum is 65.

The spelling of 944717953853 in words is "nine hundred forty-four billion, seven hundred seventeen million, nine hundred fifty-three thousand, eight hundred fifty-three".