974345579647 has 24 divisors (see below), whose sum is σ = 1122551119872. Its totient is φ = 843457129680.

The previous prime is 974345579593. The next prime is 974345579677. The reversal of 974345579647 is 746975543479.

It is not a de Polignac number, because 974345579647 - 2¹¹ = 974345577599 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 (974345579677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164383 + ... + 1405600.

It is an arithmetic number, because the mean of its divisors is an integer number (46772963328).

Almost surely, 2^974345579647 is an apocalyptic number.

974345579647 is a deficient number, since it is larger than the sum of its proper divisors (148205540225).

974345579647 is a wasteful number, since it uses less digits than its factorization.

974345579647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570251 (or 1570240 counting only the distinct ones).

The product of its digits is 800150400, while the sum is 70.

The spelling of 974345579647 in words is "nine hundred seventy-four billion, three hundred forty-five million, five hundred seventy-nine thousand, six hundred forty-seven".