4972811819 has 2 divisors, whose sum is σ = 4972811820. Its totient is φ = 4972811818.

The previous prime is 4972811771. The next prime is 4972811863. The reversal of 4972811819 is 9181182794.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4972811819 is a prime.

It is a super-2 number, since 2×4972811819² = 49457714774372177522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4972811719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2486405909 + 2486405910.

It is an arithmetic number, because the mean of its divisors is an integer number (2486405910).

Almost surely, 2^4972811819 is an apocalyptic number.

4972811819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4972811819 is an equidigital number, since it uses as much as digits as its factorization.

4972811819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 50.

The square root of 4972811819 is about 70518.1665884756. The cubic root of 4972811819 is about 1706.8709027882.

The spelling of 4972811819 in words is "four billion, nine hundred seventy-two million, eight hundred eleven thousand, eight hundred nineteen".