4936458991 has 2 divisors, whose sum is σ = 4936458992. Its totient is φ = 4936458990.

The previous prime is 4936458979. The next prime is 4936459001. The reversal of 4936458991 is 1998546394.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4936458991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4936458971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2468229495 + 2468229496.

It is an arithmetic number, because the mean of its divisors is an integer number (2468229496).

Almost surely, 2^4936458991 is an apocalyptic number.

4936458991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4936458991 is an equidigital number, since it uses as much as digits as its factorization.

4936458991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 58.

The square root of 4936458991 is about 70259.9387346730. The cubic root of 4936458991 is about 1702.7014707922.

The spelling of 4936458991 in words is "four billion, nine hundred thirty-six million, four hundred fifty-eight thousand, nine hundred ninety-one".