6632328445 has 8 divisors (see below), whose sum is σ = 7972218936. Its totient is φ = 5296912896.

The previous prime is 6632328431. The next prime is 6632328487. The reversal of 6632328445 is 5448232366.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 996222969 + 5636105476 = 31563^2 + 75074^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6632328445 is a prime.

It is a super-2 number, since 2×6632328445² = 87975561204712236050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115472 + ... + 1121401.

It is an arithmetic number, because the mean of its divisors is an integer number (996527367).

Almost surely, 2^6632328445 is an apocalyptic number.

It is an amenable number.

6632328445 is a deficient number, since it is larger than the sum of its proper divisors (1339890491).

6632328445 is a wasteful number, since it uses less digits than its factorization.

6632328445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237471.

The product of its digits is 829440, while the sum is 43.

The square root of 6632328445 is about 81439.1088175700. The cubic root of 6632328445 is about 1878.8351435149.

The spelling of 6632328445 in words is "six billion, six hundred thirty-two million, three hundred twenty-eight thousand, four hundred forty-five".