90500173419813 has 8 divisors (see below), whose sum is σ = 120666947623968. Its totient is φ = 60333424081104.

The previous prime is 90500173419811. The next prime is 90500173419829. The reversal of 90500173419813 is 31891437100509.

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

It is not a de Polignac number, because 90500173419813 - 2¹ = 90500173419811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90500173419811) 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, 5350906 + ... + 14478692.

It is an arithmetic number, because the mean of its divisors is an integer number (15083368452996).

Almost surely, 2^{90500173419813} is an apocalyptic number.

It is an amenable number.

90500173419813 is a deficient number, since it is larger than the sum of its proper divisors (30166774204155).

90500173419813 is a wasteful number, since it uses less digits than its factorization.

90500173419813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432723.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 90500173419813 in words is "ninety trillion, five hundred billion, one hundred seventy-three million, four hundred nineteen thousand, eight hundred thirteen".