90365654433 has 8 divisors (see below), whose sum is σ = 120493783296. Its totient is φ = 60240647600.

The previous prime is 90365654417. The next prime is 90365654471. The reversal of 90365654433 is 33445656309.

It is a happy number.

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 90365654433 - 2⁴ = 90365654417 is a prime.

It is a super-2 number, since 2×90365654433² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90365654233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712113 + ... + 829358.

It is an arithmetic number, because the mean of its divisors is an integer number (15061722912).

Almost surely, 2^90365654433 is an apocalyptic number.

It is an amenable number.

90365654433 is a deficient number, since it is larger than the sum of its proper divisors (30128128863).

90365654433 is a wasteful number, since it uses less digits than its factorization.

90365654433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561015.

The product of its (nonzero) digits is 3499200, while the sum is 48.

The spelling of 90365654433 in words is "ninety billion, three hundred sixty-five million, six hundred fifty-four thousand, four hundred thirty-three".