32616989137 has 2 divisors, whose sum is σ = 32616989138. Its totient is φ = 32616989136.

The previous prime is 32616989113. The next prime is 32616989173. The reversal of 32616989137 is 73198961623.

Together with next prime (32616989173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17052181056 + 15564808081 = 130584^2 + 124759^2 .

It is an emirp because it is prime and its reverse (73198961623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32616989137 - 2³¹ = 30469505489 is a prime.

It is not a weakly prime, because it can be changed into another prime (32616989107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16308494568 + 16308494569.

It is an arithmetic number, because the mean of its divisors is an integer number (16308494569).

Almost surely, 2^32616989137 is an apocalyptic number.

It is an amenable number.

32616989137 is a deficient number, since it is larger than the sum of its proper divisors (1).

32616989137 is an equidigital number, since it uses as much as digits as its factorization.

32616989137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The spelling of 32616989137 in words is "thirty-two billion, six hundred sixteen million, nine hundred eighty-nine thousand, one hundred thirty-seven".