6632328251 has 2 divisors, whose sum is σ = 6632328252. Its totient is φ = 6632328250.

The previous prime is 6632328247. The next prime is 6632328281. The reversal of 6632328251 is 1528232366.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6632328251 - 2² = 6632328247 is a prime.

It is not a weakly prime, because it can be changed into another prime (6632328221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3316164125 + 3316164126.

It is an arithmetic number, because the mean of its divisors is an integer number (3316164126).

Almost surely, 2^6632328251 is an apocalyptic number.

6632328251 is a deficient number, since it is larger than the sum of its proper divisors (1).

6632328251 is an equidigital number, since it uses as much as digits as its factorization.

6632328251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 6632328251 is about 81439.1076264960. The cubic root of 6632328251 is about 1878.8351251959.

The spelling of 6632328251 in words is "six billion, six hundred thirty-two million, three hundred twenty-eight thousand, two hundred fifty-one".