912505662493 has 2 divisors, whose sum is σ = 912505662494. Its totient is φ = 912505662492.

The previous prime is 912505662449. The next prime is 912505662583. The reversal of 912505662493 is 394266505219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 894259596409 + 18246066084 = 945653^2 + 135078^2 .

It is a cyclic number.

It is not a de Polignac number, because 912505662493 - 2³³ = 903915727901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 912505662493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912505662193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456252831246 + 456252831247.

It is an arithmetic number, because the mean of its divisors is an integer number (456252831247).

Almost surely, 2^912505662493 is an apocalyptic number.

It is an amenable number.

912505662493 is a deficient number, since it is larger than the sum of its proper divisors (1).

912505662493 is an equidigital number, since it uses as much as digits as its factorization.

912505662493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 912505662493 in words is "nine hundred twelve billion, five hundred five million, six hundred sixty-two thousand, four hundred ninety-three".