9745474521 has 8 divisors (see below), whose sum is σ = 13013867520. Its totient is φ = 6487032272.

The previous prime is 9745474517. The next prime is 9745474567. The reversal of 9745474521 is 1254745479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9745474521 - 2² = 9745474517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9745474021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2485401 + ... + 2489318.

It is an arithmetic number, because the mean of its divisors is an integer number (1626733440).

Almost surely, 2^9745474521 is an apocalyptic number.

It is an amenable number.

9745474521 is a deficient number, since it is larger than the sum of its proper divisors (3268392999).

9745474521 is a wasteful number, since it uses less digits than its factorization.

9745474521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975375.

The product of its digits is 1411200, while the sum is 48.

The square root of 9745474521 is about 98719.1699772643. The cubic root of 9745474521 is about 2135.9987627379.

The spelling of 9745474521 in words is "nine billion, seven hundred forty-five million, four hundred seventy-four thousand, five hundred twenty-one".