900075181569997 has 2 divisors, whose sum is σ = 900075181569998. Its totient is φ = 900075181569996.

The previous prime is 900075181569961. The next prime is 900075181570021. The reversal of 900075181569997 is 799965181570009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 791270964352521 + 108804217217476 = 28129539^2 + 10430926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900075181569997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900075181564997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450037590784998 + 450037590784999.

It is an arithmetic number, because the mean of its divisors is an integer number (450037590784999).

Almost surely, 2^{900075181569997} is an apocalyptic number.

It is an amenable number.

900075181569997 is a deficient number, since it is larger than the sum of its proper divisors (1).

900075181569997 is an equidigital number, since it uses as much as digits as its factorization.

900075181569997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 385786800, while the sum is 76.

The spelling of 900075181569997 in words is "nine hundred trillion, seventy-five billion, one hundred eighty-one million, five hundred sixty-nine thousand, nine hundred ninety-seven".