90214889701 has 4 divisors (see below), whose sum is σ = 90226161900. Its totient is φ = 90203617504.

The previous prime is 90214889671. The next prime is 90214889717. The reversal of 90214889701 is 10798841209.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34429173601 + 55785716100 = 185551^2 + 236190^2 .

It is a cyclic number.

It is not a de Polignac number, because 90214889701 - 2⁹ = 90214889189 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90214889761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624086 + ... + 5640103.

It is an arithmetic number, because the mean of its divisors is an integer number (22556540475).

Almost surely, 2^90214889701 is an apocalyptic number.

It is an amenable number.

90214889701 is a deficient number, since it is larger than the sum of its proper divisors (11272199).

90214889701 is a wasteful number, since it uses less digits than its factorization.

90214889701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11272198.

The product of its (nonzero) digits is 290304, while the sum is 49.

The spelling of 90214889701 in words is "ninety billion, two hundred fourteen million, eight hundred eighty-nine thousand, seven hundred one".