974497198500 has 288 divisors, whose sum is σ = 3626725939200. Its totient is φ = 215556768000.

The previous prime is 974497198483. The next prime is 974497198513. The reversal of 974497198500 is 5891794479.

974497198500 is a `hidden beast` number, since 9 + 7 + 4 + 497 + 1 + 98 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 477526 + ... + 1475474.

It is an arithmetic number, because the mean of its divisors is an integer number (12592798400).

Almost surely, 2^974497198500 is an apocalyptic number.

974497198500 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 974497198500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813362969600).

974497198500 is an abundant number, since it is smaller than the sum of its proper divisors (2652228740700).

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

974497198500 is a wasteful number, since it uses less digits than its factorization.

974497198500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998012 (or 997997 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 974497198500 in words is "nine hundred seventy-four billion, four hundred ninety-seven million, one hundred ninety-eight thousand, five hundred".