990293560937 has 2 divisors, whose sum is σ = 990293560938. Its totient is φ = 990293560936.

The previous prime is 990293560933. The next prime is 990293560951. The reversal of 990293560937 is 739065392099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 815979795856 + 174313765081 = 903316^2 + 417509^2 .

It is a cyclic number.

It is not a de Polignac number, because 990293560937 - 2² = 990293560933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 990293560937.

It is not a weakly prime, because it can be changed into another prime (990293560933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495146780468 + 495146780469.

It is an arithmetic number, because the mean of its divisors is an integer number (495146780469).

Almost surely, 2^990293560937 is an apocalyptic number.

It is an amenable number.

990293560937 is a deficient number, since it is larger than the sum of its proper divisors (1).

990293560937 is an equidigital number, since it uses as much as digits as its factorization.

990293560937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24800580, while the sum is 62.

The spelling of 990293560937 in words is "nine hundred ninety billion, two hundred ninety-three million, five hundred sixty thousand, nine hundred thirty-seven".