90909100101 has 8 divisors (see below), whose sum is σ = 127591719520. Its totient is φ = 57416273712.

The previous prime is 90909100081. The next prime is 90909100141. The reversal of 90909100101 is 10100190909.

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

It is not a de Polignac number, because 90909100101 - 2⁷ = 90909099973 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 (90909100141) 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, 797448190 + ... + 797448303.

It is an arithmetic number, because the mean of its divisors is an integer number (15948964940).

Almost surely, 2^90909100101 is an apocalyptic number.

It is an amenable number.

90909100101 is a deficient number, since it is larger than the sum of its proper divisors (36682619419).

90909100101 is a wasteful number, since it uses less digits than its factorization.

90909100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594896515.

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 90909100101 in words is "ninety billion, nine hundred nine million, one hundred thousand, one hundred one".