90598722373 has 4 divisors (see below), whose sum is σ = 90634662508. Its totient is φ = 90562782240.

The previous prime is 90598722343. The next prime is 90598722407. The reversal of 90598722373 is 37322789509.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18797232609 + 71801489764 = 137103^2 + 267958^2 .

It is a cyclic number.

It is not a de Polignac number, because 90598722373 - 2⁹ = 90598721861 is a prime.

It is a super-2 number, since 2×90598722373² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90598722343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17966286 + ... + 17971327.

It is an arithmetic number, because the mean of its divisors is an integer number (22658665627).

Almost surely, 2^90598722373 is an apocalyptic number.

It is an amenable number.

90598722373 is a deficient number, since it is larger than the sum of its proper divisors (35940135).

90598722373 is a wasteful number, since it uses less digits than its factorization.

90598722373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35940134.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 90598722373 in words is "ninety billion, five hundred ninety-eight million, seven hundred twenty-two thousand, three hundred seventy-three".