6632643299 has 4 divisors (see below), whose sum is σ = 6632806560. Its totient is φ = 6632480040.

The previous prime is 6632643287. The next prime is 6632643307. The reversal of 6632643299 is 9923462366.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9923462366 = 2 ⋅4961731183.

It is a cyclic number.

It is not a de Polignac number, because 6632643299 - 2²⁴ = 6615866083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6632663299) 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 3 ways as a sum of consecutive naturals, for example, 32489 + ... + 119669.

It is an arithmetic number, because the mean of its divisors is an integer number (1658201640).

Almost surely, 2^6632643299 is an apocalyptic number.

6632643299 is a deficient number, since it is larger than the sum of its proper divisors (163261).

6632643299 is an equidigital number, since it uses as much as digits as its factorization.

6632643299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163260.

The product of its digits is 2519424, while the sum is 50.

The square root of 6632643299 is about 81441.0418585126. The cubic root of 6632643299 is about 1878.8648741193.

The spelling of 6632643299 in words is "six billion, six hundred thirty-two million, six hundred forty-three thousand, two hundred ninety-nine".