944311693 has 4 divisors (see below), whose sum is σ = 1016951068. Its totient is φ = 871672320.

The previous prime is 944311681. The next prime is 944311741. The reversal of 944311693 is 396113449.

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 239568484 + 704743209 = 15478^2 + 26547^2 .

It is a cyclic number.

It is not a de Polignac number, because 944311693 - 2⁵ = 944311661 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 (944311603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36319668 + ... + 36319693.

It is an arithmetic number, because the mean of its divisors is an integer number (254237767).

Almost surely, 2^944311693 is an apocalyptic number.

It is an amenable number.

944311693 is a deficient number, since it is larger than the sum of its proper divisors (72639375).

944311693 is a wasteful number, since it uses less digits than its factorization.

944311693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72639374.

The product of its digits is 69984, while the sum is 40.

The square root of 944311693 is about 30729.6549443693. The cubic root of 944311693 is about 981.0815814482.

The spelling of 944311693 in words is "nine hundred forty-four million, three hundred eleven thousand, six hundred ninety-three".