90445552243313 has 8 divisors (see below), whose sum is σ = 92553206405088. Its totient is φ = 88338092137344.

The previous prime is 90445552243283. The next prime is 90445552243349. The reversal of 90445552243313 is 31334225554409.

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 90445552243313 - 2³² = 90441257276017 is a prime.

It is a super-2 number, since 2×90445552243313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90445552243393) 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, 47570720 + ... + 49435457.

It is an arithmetic number, because the mean of its divisors is an integer number (11569150800636).

Almost surely, 2^{90445552243313} is an apocalyptic number.

It is an amenable number.

90445552243313 is a deficient number, since it is larger than the sum of its proper divisors (2107654161775).

90445552243313 is a wasteful number, since it uses less digits than its factorization.

90445552243313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97027903.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 90445552243313 in words is "ninety trillion, four hundred forty-five billion, five hundred fifty-two million, two hundred forty-three thousand, three hundred thirteen".