90495109 has 8 divisors (see below), whose sum is σ = 94936320. Its totient is φ = 86142000.

The previous prime is 90495071. The next prime is 90495121. The reversal of 90495109 is 90159409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90495109 - 2⁷ = 90494981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90492109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19917 + ... + 24034.

It is an arithmetic number, because the mean of its divisors is an integer number (11867040).

Almost surely, 2^90495109 is an apocalyptic number.

It is an amenable number.

90495109 is a deficient number, since it is larger than the sum of its proper divisors (4441211).

90495109 is a wasteful number, since it uses less digits than its factorization.

90495109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44051.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 90495109 is about 9512.8917264941. The cubic root of 90495109 is about 448.9607441172.

The spelling of 90495109 in words is "ninety million, four hundred ninety-five thousand, one hundred nine".