944596917913 has 4 divisors (see below), whose sum is σ = 1030469365008. Its totient is φ = 858724470820.

The previous prime is 944596917871. The next prime is 944596917923. The reversal of 944596917913 is 319719695449.

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 a cyclic number.

It is not a de Polignac number, because 944596917913 - 2²¹ = 944594820761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (944596917923) 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, 42936223531 + ... + 42936223552.

It is an arithmetic number, because the mean of its divisors is an integer number (257617341252).

Almost surely, 2^944596917913 is an apocalyptic number.

It is an amenable number.

944596917913 is a deficient number, since it is larger than the sum of its proper divisors (85872447095).

944596917913 is a wasteful number, since it uses less digits than its factorization.

944596917913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85872447094.

The product of its digits is 66134880, while the sum is 67.

The spelling of 944596917913 in words is "nine hundred forty-four billion, five hundred ninety-six million, nine hundred seventeen thousand, nine hundred thirteen".