9813573974 has 4 divisors (see below), whose sum is σ = 14720360964. Its totient is φ = 4906786986.

The previous prime is 9813573961. The next prime is 9813573977. The reversal of 9813573974 is 4793753189.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9813573977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2453393492 + ... + 2453393495.

It is an arithmetic number, because the mean of its divisors is an integer number (3680090241).

Almost surely, 2^9813573974 is an apocalyptic number.

9813573974 is a deficient number, since it is larger than the sum of its proper divisors (4906786990).

9813573974 is a wasteful number, since it uses less digits than its factorization.

9813573974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906786989.

The product of its digits is 5715360, while the sum is 56.

The square root of 9813573974 is about 99063.4845641925. The cubic root of 9813573974 is about 2140.9625313123.

The spelling of 9813573974 in words is "nine billion, eight hundred thirteen million, five hundred seventy-three thousand, nine hundred seventy-four".