90130014893 has 4 divisors (see below), whose sum is σ = 90133356060. Its totient is φ = 90126673728.

The previous prime is 90130014883. The next prime is 90130014899. The reversal of 90130014893 is 39841003109.

It is a happy number.

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 72212050729 + 17917964164 = 268723^2 + 133858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90130014893 is a prime.

It is a super-2 number, since 2×90130014893² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90130014899) 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, 1629788 + ... + 1684181.

It is an arithmetic number, because the mean of its divisors is an integer number (22533339015).

Almost surely, 2^90130014893 is an apocalyptic number.

It is an amenable number.

90130014893 is a deficient number, since it is larger than the sum of its proper divisors (3341167).

90130014893 is a wasteful number, since it uses less digits than its factorization.

90130014893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341166.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 90130014893 in words is "ninety billion, one hundred thirty million, fourteen thousand, eight hundred ninety-three".