90453099271 has 2 divisors, whose sum is σ = 90453099272. Its totient is φ = 90453099270.

The previous prime is 90453099259. The next prime is 90453099313. The reversal of 90453099271 is 17299035409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90453099271 - 2⁵ = 90453099239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90453099251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45226549635 + 45226549636.

It is an arithmetic number, because the mean of its divisors is an integer number (45226549636).

Almost surely, 2^90453099271 is an apocalyptic number.

90453099271 is a deficient number, since it is larger than the sum of its proper divisors (1).

90453099271 is an equidigital number, since it uses as much as digits as its factorization.

90453099271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 90453099271 in words is "ninety billion, four hundred fifty-three million, ninety-nine thousand, two hundred seventy-one".