974528912447 has 4 divisors (see below), whose sum is σ = 974531579520. Its totient is φ = 974526245376.

The previous prime is 974528912437. The next prime is 974528912449. The reversal of 974528912447 is 744219825479.

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

It is a cyclic number.

It is not a de Polignac number, because 974528912447 - 2¹⁴ = 974528896063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 974528912447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974528912449) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 678047 + ... + 1552032.

It is an arithmetic number, because the mean of its divisors is an integer number (243632894880).

Almost surely, 2^974528912447 is an apocalyptic number.

974528912447 is a deficient number, since it is larger than the sum of its proper divisors (2667073).

974528912447 is a wasteful number, since it uses less digits than its factorization.

974528912447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667072.

The product of its digits is 40642560, while the sum is 62.

The spelling of 974528912447 in words is "nine hundred seventy-four billion, five hundred twenty-eight million, nine hundred twelve thousand, four hundred forty-seven".