944613686017 has 4 divisors (see below), whose sum is σ = 948774980016. Its totient is φ = 940452392020.

The previous prime is 944613685979. The next prime is 944613686059. The reversal of 944613686017 is 710686316449.

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 a de Polignac number, because none of the positive numbers 2^k-944613686017 is a prime.

It is a super-2 number, since 2×944613686017² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (944613686117) 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, 2080646659 + ... + 2080647112.

It is an arithmetic number, because the mean of its divisors is an integer number (237193745004).

Almost surely, 2^944613686017 is an apocalyptic number.

It is an amenable number.

944613686017 is a deficient number, since it is larger than the sum of its proper divisors (4161293999).

944613686017 is a wasteful number, since it uses less digits than its factorization.

944613686017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161293998.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 944613686017 in words is "nine hundred forty-four billion, six hundred thirteen million, six hundred eighty-six thousand, seventeen".