9982574421 has 16 divisors (see below), whose sum is σ = 13550376768. Its totient is φ = 6535267200.

The previous prime is 9982574389. The next prime is 9982574477. The reversal of 9982574421 is 1244752899.

It is not a de Polignac number, because 9982574421 - 2⁵ = 9982574389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982574321) 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, 68706 + ... + 157116.

It is an arithmetic number, because the mean of its divisors is an integer number (846898548).

Almost surely, 2^9982574421 is an apocalyptic number.

It is an amenable number.

9982574421 is a deficient number, since it is larger than the sum of its proper divisors (3567802347).

9982574421 is a wasteful number, since it uses less digits than its factorization.

9982574421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89092.

The product of its digits is 1451520, while the sum is 51.

The square root of 9982574421 is about 99912.8341155429. The cubic root of 9982574421 is about 2153.1825533801.

The spelling of 9982574421 in words is "nine billion, nine hundred eighty-two million, five hundred seventy-four thousand, four hundred twenty-one".