9639117453 has 32 divisors (see below), whose sum is σ = 15558269184. Its totient is φ = 5182036992.

The previous prime is 9639117443. The next prime is 9639117457. The reversal of 9639117453 is 3547119369.

It is not a de Polignac number, because 9639117453 - 2⁴ = 9639117437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9639117457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1552351 + ... + 1558547.

It is an arithmetic number, because the mean of its divisors is an integer number (486195912).

Almost surely, 2^9639117453 is an apocalyptic number.

It is an amenable number.

9639117453 is a deficient number, since it is larger than the sum of its proper divisors (5919151731).

9639117453 is a wasteful number, since it uses less digits than its factorization.

9639117453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581.

The product of its digits is 612360, while the sum is 48.

The square root of 9639117453 is about 98179.0071909469. The cubic root of 9639117453 is about 2128.1999275251.

The spelling of 9639117453 in words is "nine billion, six hundred thirty-nine million, one hundred seventeen thousand, four hundred fifty-three".