16889079937 has 2 divisors, whose sum is σ = 16889079938. Its totient is φ = 16889079936.

The previous prime is 16889079931. The next prime is 16889079959. The reversal of 16889079937 is 73997098861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11225614401 + 5663465536 = 105951^2 + 75256^2 .

It is a cyclic number.

It is not a de Polignac number, because 16889079937 - 2²³ = 16880691329 is a prime.

It is a super-2 number, since 2×16889079937² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16889079931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8444539968 + 8444539969.

It is an arithmetic number, because the mean of its divisors is an integer number (8444539969).

Almost surely, 2^16889079937 is an apocalyptic number.

It is an amenable number.

16889079937 is a deficient number, since it is larger than the sum of its proper divisors (1).

16889079937 is an equidigital number, since it uses as much as digits as its factorization.

16889079937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41150592, while the sum is 67.

The spelling of 16889079937 in words is "sixteen billion, eight hundred eighty-nine million, seventy-nine thousand, nine hundred thirty-seven".