989020037 has 2 divisors, whose sum is σ = 989020038. Its totient is φ = 989020036.

The previous prime is 989020007. The next prime is 989020049. The reversal of 989020037 is 730020989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630712996 + 358307041 = 25114^2 + 18929^2 .

It is a cyclic number.

It is not a de Polignac number, because 989020037 - 2⁸ = 989019781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989020007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494510018 + 494510019.

It is an arithmetic number, because the mean of its divisors is an integer number (494510019).

Almost surely, 2^989020037 is an apocalyptic number.

It is an amenable number.

989020037 is a deficient number, since it is larger than the sum of its proper divisors (1).

989020037 is an equidigital number, since it uses as much as digits as its factorization.

989020037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 989020037 is about 31448.6889551854. The cubic root of 989020037 is about 996.3265345083.

The spelling of 989020037 in words is "nine hundred eighty-nine million, twenty thousand, thirty-seven".