90000422813 has 8 divisors (see below), whose sum is σ = 102925710720. Its totient is φ = 77092156080.

The previous prime is 90000422791. The next prime is 90000422833. The reversal of 90000422813 is 31822400009.

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 90000422813 - 2²⁸ = 89731987357 is a prime.

It is a super-2 number, since 2×90000422813² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90000422833) 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, 4243958 + ... + 4265111.

It is an arithmetic number, because the mean of its divisors is an integer number (12865713840).

Almost surely, 2^90000422813 is an apocalyptic number.

It is an amenable number.

90000422813 is a deficient number, since it is larger than the sum of its proper divisors (12925287907).

90000422813 is a wasteful number, since it uses less digits than its factorization.

90000422813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510587.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 90000422813 in words is "ninety billion, four hundred twenty-two thousand, eight hundred thirteen".