99258018281 has 4 divisors (see below), whose sum is σ = 99267493632. Its totient is φ = 99248542932.

The previous prime is 99258018257. The next prime is 99258018311. The reversal of 99258018281 is 18281085299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99258018281 - 2³⁰ = 98184276457 is a prime.

It is a super-2 number, since 2×99258018281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99258018481) 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, 4721945 + ... + 4742918.

It is an arithmetic number, because the mean of its divisors is an integer number (24816873408).

Almost surely, 2^99258018281 is an apocalyptic number.

It is an amenable number.

99258018281 is a deficient number, since it is larger than the sum of its proper divisors (9475351).

99258018281 is a wasteful number, since it uses less digits than its factorization.

99258018281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475350.

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 99258018281 in words is "ninety-nine billion, two hundred fifty-eight million, eighteen thousand, two hundred eighty-one".