90258316941698 has 4 divisors (see below), whose sum is σ = 135387475412550. Its totient is φ = 45129158470848.

The previous prime is 90258316941643. The next prime is 90258316941731. The reversal of 90258316941698 is 89614961385209.

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

It can be written as a sum of positive squares in only one way, i.e., 89700163014289 + 558153927409 = 9471017^2 + 747097^2 .

It is a super-2 number, since 2×90258316941698² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22564579235423 + ... + 22564579235426.

Almost surely, 2^{90258316941698} is an apocalyptic number.

90258316941698 is a deficient number, since it is larger than the sum of its proper divisors (45129158470852).

90258316941698 is a wasteful number, since it uses less digits than its factorization.

90258316941698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45129158470851.

The product of its (nonzero) digits is 201553920, while the sum is 71.

The spelling of 90258316941698 in words is "ninety trillion, two hundred fifty-eight billion, three hundred sixteen million, nine hundred forty-one thousand, six hundred ninety-eight".