1632231647 has 2 divisors, whose sum is σ = 1632231648. Its totient is φ = 1632231646.

The previous prime is 1632231589. The next prime is 1632231683. The reversal of 1632231647 is 7461322361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1632231647 - 2²² = 1628037343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1632231697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816115823 + 816115824.

It is an arithmetic number, because the mean of its divisors is an integer number (816115824).

Almost surely, 2^1632231647 is an apocalyptic number.

1632231647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1632231647 is an equidigital number, since it uses as much as digits as its factorization.

1632231647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 1632231647 is about 40400.8867105661. The cubic root of 1632231647 is about 1177.4087654605.

The spelling of 1632231647 in words is "one billion, six hundred thirty-two million, two hundred thirty-one thousand, six hundred forty-seven".