4539718691 has 2 divisors, whose sum is σ = 4539718692. Its totient is φ = 4539718690.

The previous prime is 4539718681. The next prime is 4539718693. The reversal of 4539718691 is 1968179354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4539718691 - 2⁶ = 4539718627 is a prime.

It is a Sophie Germain prime.

Together with 4539718693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4539718693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269859345 + 2269859346.

It is an arithmetic number, because the mean of its divisors is an integer number (2269859346).

Almost surely, 2^4539718691 is an apocalyptic number.

4539718691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539718691 is an equidigital number, since it uses as much as digits as its factorization.

4539718691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The square root of 4539718691 is about 67377.4345831006. The cubic root of 4539718691 is about 1655.8067449873.

The spelling of 4539718691 in words is "four billion, five hundred thirty-nine million, seven hundred eighteen thousand, six hundred ninety-one".