4633552991 has 2 divisors, whose sum is σ = 4633552992. Its totient is φ = 4633552990.

The previous prime is 4633552949. The next prime is 4633553051. The reversal of 4633552991 is 1992553364.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4633552991 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4633552901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2316776495 + 2316776496.

It is an arithmetic number, because the mean of its divisors is an integer number (2316776496).

Almost surely, 2^4633552991 is an apocalyptic number.

4633552991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4633552991 is an equidigital number, since it uses as much as digits as its factorization.

4633552991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 47.

The square root of 4633552991 is about 68070.2063387500. The cubic root of 4633552991 is about 1667.1373371002.

The spelling of 4633552991 in words is "four billion, six hundred thirty-three million, five hundred fifty-two thousand, nine hundred ninety-one".