9974138973 has 8 divisors (see below), whose sum is σ = 13317612000. Its totient is φ = 6640045968.

The previous prime is 9974138963. The next prime is 9974139017. The reversal of 9974138973 is 3798314799.

It is a happy number.

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

It is not a de Polignac number, because 9974138973 - 2²⁰ = 9973090397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9974138963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2342523 + ... + 2346776.

It is an arithmetic number, because the mean of its divisors is an integer number (1664701500).

Almost surely, 2^9974138973 is an apocalyptic number.

It is an amenable number.

9974138973 is a deficient number, since it is larger than the sum of its proper divisors (3343473027).

9974138973 is a wasteful number, since it uses less digits than its factorization.

9974138973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690011.

The product of its digits is 10287648, while the sum is 60.

The square root of 9974138973 is about 99870.6111576374. The cubic root of 9974138973 is about 2152.5758903046.

The spelling of 9974138973 in words is "nine billion, nine hundred seventy-four million, one hundred thirty-eight thousand, nine hundred seventy-three".