990000990037 has 2 divisors, whose sum is σ = 990000990038. Its totient is φ = 990000990036.

The previous prime is 990000989953. The next prime is 990000990131. The reversal of 990000990037 is 730099000099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 785517054436 + 204483935601 = 886294^2 + 452199^2 .

It is a cyclic number.

It is not a de Polignac number, because 990000990037 - 2¹⁵ = 990000957269 is a prime.

It is a super-2 number, since 2×990000990037² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990000990437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495000495018 + 495000495019.

It is an arithmetic number, because the mean of its divisors is an integer number (495000495019).

Almost surely, 2^990000990037 is an apocalyptic number.

It is an amenable number.

990000990037 is a deficient number, since it is larger than the sum of its proper divisors (1).

990000990037 is an equidigital number, since it uses as much as digits as its factorization.

990000990037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137781, while the sum is 46.

The spelling of 990000990037 in words is "nine hundred ninety billion, nine hundred ninety thousand, thirty-seven".