905536885901 has 2 divisors, whose sum is σ = 905536885902. Its totient is φ = 905536885900.

The previous prime is 905536885889. The next prime is 905536885907. The reversal of 905536885901 is 109588635509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707735212900 + 197801673001 = 841270^2 + 444749^2 .

It is a cyclic number.

It is not a de Polignac number, because 905536885901 - 2⁶ = 905536885837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (905536885907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452768442950 + 452768442951.

It is an arithmetic number, because the mean of its divisors is an integer number (452768442951).

Almost surely, 2^905536885901 is an apocalyptic number.

It is an amenable number.

905536885901 is a deficient number, since it is larger than the sum of its proper divisors (1).

905536885901 is an equidigital number, since it uses as much as digits as its factorization.

905536885901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664000, while the sum is 59.

The spelling of 905536885901 in words is "nine hundred five billion, five hundred thirty-six million, eight hundred eighty-five thousand, nine hundred one".