16944662039 has 4 divisors (see below), whose sum is σ = 17528960760. Its totient is φ = 16360363320.

The previous prime is 16944662027. The next prime is 16944662069. The reversal of 16944662039 is 93026644961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93026644961 = 45263 ⋅2055247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16944662039 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 (16944662069) 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, 292149317 + ... + 292149374.

It is an arithmetic number, because the mean of its divisors is an integer number (4382240190).

Almost surely, 2^16944662039 is an apocalyptic number.

16944662039 is a deficient number, since it is larger than the sum of its proper divisors (584298721).

16944662039 is an equidigital number, since it uses as much as digits as its factorization.

16944662039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584298720.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 16944662039 in words is "sixteen billion, nine hundred forty-four million, six hundred sixty-two thousand, thirty-nine".