90035816431 has 8 divisors (see below), whose sum is σ = 98226043344. Its totient is φ = 81846448320.

The previous prime is 90035816413. The next prime is 90035816447. The reversal of 90035816431 is 13461853009.

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 90035816431 - 2⁷ = 90035816303 is a prime.

It is a super-2 number, since 2×90035816431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90035816131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15225 + ... + 424621.

It is an arithmetic number, because the mean of its divisors is an integer number (12278255418).

Almost surely, 2^90035816431 is an apocalyptic number.

90035816431 is a deficient number, since it is larger than the sum of its proper divisors (8190226913).

90035816431 is a wasteful number, since it uses less digits than its factorization.

90035816431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429401.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 90035816431 in words is "ninety billion, thirty-five million, eight hundred sixteen thousand, four hundred thirty-one".