9012358998 has 64 divisors (see below), whose sum is σ = 20800972800. Its totient is φ = 2889289440.

The previous prime is 9012358951. The next prime is 9012359003. The reversal of 9012358998 is 8998532109.

It is a super-2 number, since 2×9012358998² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256348 + ... + 289376.

It is an arithmetic number, because the mean of its divisors is an integer number (325015200).

Almost surely, 2^9012358998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9012358998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10400486400).

9012358998 is an abundant number, since it is smaller than the sum of its proper divisors (11788613802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9012358998 is a wasteful number, since it uses less digits than its factorization.

9012358998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33234 (or 33228 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 9012358998 is about 94933.4450970784. The cubic root of 9012358998 is about 2081.0355265073.

The spelling of 9012358998 in words is "nine billion, twelve million, three hundred fifty-eight thousand, nine hundred ninety-eight".