491050108037 has 2 divisors, whose sum is σ = 491050108038. Its totient is φ = 491050108036.

The previous prime is 491050108019. The next prime is 491050108069. The reversal of 491050108037 is 730801050194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490222625281 + 827482756 = 700159^2 + 28766^2 .

It is a cyclic number.

It is not a de Polignac number, because 491050108037 - 2⁸ = 491050107781 is a prime.

It is a super-2 number, since 2×491050108037² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (491050104037) 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, 245525054018 + 245525054019.

It is an arithmetic number, because the mean of its divisors is an integer number (245525054019).

Almost surely, 2^491050108037 is an apocalyptic number.

It is an amenable number.

491050108037 is a deficient number, since it is larger than the sum of its proper divisors (1).

491050108037 is an equidigital number, since it uses as much as digits as its factorization.

491050108037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 491050108037 in words is "four hundred ninety-one billion, fifty million, one hundred eight thousand, thirty-seven".