912537821903 has 2 divisors, whose sum is σ = 912537821904. Its totient is φ = 912537821902.

The previous prime is 912537821863. The next prime is 912537821929. The reversal of 912537821903 is 309128735219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 912537821903 - 2³⁸ = 637659914959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912537821983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456268910951 + 456268910952.

It is an arithmetic number, because the mean of its divisors is an integer number (456268910952).

Almost surely, 2^912537821903 is an apocalyptic number.

912537821903 is a deficient number, since it is larger than the sum of its proper divisors (1).

912537821903 is an equidigital number, since it uses as much as digits as its factorization.

912537821903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 912537821903 in words is "nine hundred twelve billion, five hundred thirty-seven million, eight hundred twenty-one thousand, nine hundred three".