90001305249 has 8 divisors (see below), whose sum is σ = 120059248320. Its totient is φ = 59972116176.

The previous prime is 90001305211. The next prime is 90001305287. The reversal of 90001305249 is 94250310009.

It is an interprime number because it is at equal distance from previous prime (90001305211) and next prime (90001305287).

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

It is not a de Polignac number, because 90001305249 - 2¹⁵ = 90001272481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90001305649) 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, 7181194 + ... + 7193715.

It is an arithmetic number, because the mean of its divisors is an integer number (15007406040).

Almost surely, 2^90001305249 is an apocalyptic number.

It is an amenable number.

90001305249 is a deficient number, since it is larger than the sum of its proper divisors (30057943071).

90001305249 is a wasteful number, since it uses less digits than its factorization.

90001305249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376999.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 90001305249 in words is "ninety billion, one million, three hundred five thousand, two hundred forty-nine".