974945549479 has 16 divisors (see below), whose sum is σ = 1104974226720. Its totient is φ = 852078760960.

The previous prime is 974945549477. The next prime is 974945549489.

It is a happy number.

974945549479 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 974945549479 - 2¹ = 974945549477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974945549471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6484162 + ... + 6632815.

It is an arithmetic number, because the mean of its divisors is an integer number (69060889170).

Almost surely, 2^974945549479 is an apocalyptic number.

974945549479 is a deficient number, since it is larger than the sum of its proper divisors (130028677241).

974945549479 is a wasteful number, since it uses less digits than its factorization.

974945549479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13117250.

The product of its digits is 2057529600, while the sum is 76.

The spelling of 974945549479 in words is "nine hundred seventy-four billion, nine hundred forty-five million, five hundred forty-nine thousand, four hundred seventy-nine".