4660991963 has 2 divisors, whose sum is σ = 4660991964. Its totient is φ = 4660991962.

The previous prime is 4660991957. The next prime is 4660991977. The reversal of 4660991963 is 3691990664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4660991963 - 2²² = 4656797659 is a prime.

It is not a weakly prime, because it can be changed into another prime (4660991953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330495981 + 2330495982.

It is an arithmetic number, because the mean of its divisors is an integer number (2330495982).

Almost surely, 2^4660991963 is an apocalyptic number.

4660991963 is a deficient number, since it is larger than the sum of its proper divisors (1).

4660991963 is an equidigital number, since it uses as much as digits as its factorization.

4660991963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 4660991963 is about 68271.4578942035. The cubic root of 4660991963 is about 1670.4216802414.

The spelling of 4660991963 in words is "four billion, six hundred sixty million, nine hundred ninety-one thousand, nine hundred sixty-three".