90258650498 has 16 divisors (see below), whose sum is σ = 135579834936. Its totient is φ = 45065412480.

The previous prime is 90258650497. The next prime is 90258650507. The reversal of 90258650498 is 89405685209.

It can be written as a sum of positive squares in 4 ways, for example, as 46417409809 + 43841240689 = 215447^2 + 209383^2 .

It is not an unprimeable number, because it can be changed into a prime (90258650497) 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, 5488328 + ... + 5504748.

Almost surely, 2^90258650498 is an apocalyptic number.

90258650498 is a deficient number, since it is larger than the sum of its proper divisors (45321184438).

90258650498 is a wasteful number, since it uses less digits than its factorization.

90258650498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20149.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 90258650498 in words is "ninety billion, two hundred fifty-eight million, six hundred fifty thousand, four hundred ninety-eight".