4965844991 has 2 divisors, whose sum is σ = 4965844992. Its totient is φ = 4965844990.

The previous prime is 4965844973. The next prime is 4965845023. The reversal of 4965844991 is 1994485694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4965844991 - 2⁶ = 4965844927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4965844991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4965844391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2482922495 + 2482922496.

It is an arithmetic number, because the mean of its divisors is an integer number (2482922496).

Almost surely, 2^4965844991 is an apocalyptic number.

4965844991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4965844991 is an equidigital number, since it uses as much as digits as its factorization.

4965844991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 59.

The square root of 4965844991 is about 70468.7518762749. The cubic root of 4965844991 is about 1706.0734308540.

It can be divided in two parts, 49658 and 44991, that added together give a palindrome (94649).

The spelling of 4965844991 in words is "four billion, nine hundred sixty-five million, eight hundred forty-four thousand, nine hundred ninety-one".