90300851071 has 2 divisors, whose sum is σ = 90300851072. Its totient is φ = 90300851070.

The previous prime is 90300850921. The next prime is 90300851089. The reversal of 90300851071 is 17015800309.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17015800309) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90300851071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90300851671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45150425535 + 45150425536.

It is an arithmetic number, because the mean of its divisors is an integer number (45150425536).

Almost surely, 2^90300851071 is an apocalyptic number.

90300851071 is a deficient number, since it is larger than the sum of its proper divisors (1).

90300851071 is an equidigital number, since it uses as much as digits as its factorization.

90300851071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 90300851071 in words is "ninety billion, three hundred million, eight hundred fifty-one thousand, seventy-one".