900495943 has 2 divisors, whose sum is σ = 900495944. Its totient is φ = 900495942.

The previous prime is 900495941. The next prime is 900495949. The reversal of 900495943 is 349594009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900495943 - 2¹ = 900495941 is a prime.

Together with 900495941, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 900495943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900495941) 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, 450247971 + 450247972.

It is an arithmetic number, because the mean of its divisors is an integer number (450247972).

Almost surely, 2^900495943 is an apocalyptic number.

900495943 is a deficient number, since it is larger than the sum of its proper divisors (1).

900495943 is an equidigital number, since it uses as much as digits as its factorization.

900495943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 900495943 is about 30008.2645782791. The cubic root of 900495943 is about 965.6666956340. Note that the first 4 decimals are identical.

The spelling of 900495943 in words is "nine hundred million, four hundred ninety-five thousand, nine hundred forty-three".