9959574493 has 24 divisors (see below), whose sum is σ = 11427801560. Its totient is φ = 8664796800.

The previous prime is 9959574481. The next prime is 9959574503. The reversal of 9959574493 is 3944759599.

It is a happy number.

9959574493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 553096324 + 9406478169 = 23518^2 + 96987^2 .

It is not a de Polignac number, because 9959574493 - 2⁵ = 9959574461 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 (9959574403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254863 + ... + 291331.

Almost surely, 2^9959574493 is an apocalyptic number.

It is an amenable number.

9959574493 is a deficient number, since it is larger than the sum of its proper divisors (1468227067).

9959574493 is a wasteful number, since it uses less digits than its factorization.

9959574493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36589 (or 36578 counting only the distinct ones).

The product of its digits is 55112400, while the sum is 64.

The square root of 9959574493 is about 99797.6677733503. The cubic root of 9959574493 is about 2151.5276320411.

The spelling of 9959574493 in words is "nine billion, nine hundred fifty-nine million, five hundred seventy-four thousand, four hundred ninety-three".