4684809491 has 2 divisors, whose sum is σ = 4684809492. Its totient is φ = 4684809490.

The previous prime is 4684809469. The next prime is 4684809511. The reversal of 4684809491 is 1949084864.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4684809491 - 2²² = 4680615187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4684806491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342404745 + 2342404746.

It is an arithmetic number, because the mean of its divisors is an integer number (2342404746).

Almost surely, 2^4684809491 is an apocalyptic number.

4684809491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4684809491 is an equidigital number, since it uses as much as digits as its factorization.

4684809491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 4684809491 is about 68445.6681682632. The cubic root of 4684809491 is about 1673.2621156347.

The spelling of 4684809491 in words is "four billion, six hundred eighty-four million, eight hundred nine thousand, four hundred ninety-one".