90314000261 has 2 divisors, whose sum is σ = 90314000262. Its totient is φ = 90314000260.

The previous prime is 90314000243. The next prime is 90314000297. The reversal of 90314000261 is 16200041309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90303856036 + 10144225 = 300506^2 + 3185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90314000261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90314000261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90314000461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45157000130 + 45157000131.

It is an arithmetic number, because the mean of its divisors is an integer number (45157000131).

Almost surely, 2^90314000261 is an apocalyptic number.

It is an amenable number.

90314000261 is a deficient number, since it is larger than the sum of its proper divisors (1).

90314000261 is an equidigital number, since it uses as much as digits as its factorization.

90314000261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 90314000261 in words is "ninety billion, three hundred fourteen million, two hundred sixty-one", and thus it is an aban number.