4939925591 has 2 divisors, whose sum is σ = 4939925592. Its totient is φ = 4939925590.

The previous prime is 4939925561. The next prime is 4939925593. The reversal of 4939925591 is 1955299394.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4939925591 - 2¹⁸ = 4939663447 is a prime.

Together with 4939925593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4939925593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469962795 + 2469962796.

It is an arithmetic number, because the mean of its divisors is an integer number (2469962796).

Almost surely, 2^4939925591 is an apocalyptic number.

4939925591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939925591 is an equidigital number, since it uses as much as digits as its factorization.

4939925591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3936600, while the sum is 56.

The square root of 4939925591 is about 70284.6042245384. The cubic root of 4939925591 is about 1703.0999483097.

The spelling of 4939925591 in words is "four billion, nine hundred thirty-nine million, nine hundred twenty-five thousand, five hundred ninety-one".