4847219681 has 2 divisors, whose sum is σ = 4847219682. Its totient is φ = 4847219680.

The previous prime is 4847219593. The next prime is 4847219701. The reversal of 4847219681 is 1869127484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4371325456 + 475894225 = 66116^2 + 21815^2 .

It is a cyclic number.

It is not a de Polignac number, because 4847219681 - 2²⁶ = 4780110817 is a prime.

It is a super-2 number, since 2×4847219681² = 46991077271747483522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4847219981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2423609840 + 2423609841.

It is an arithmetic number, because the mean of its divisors is an integer number (2423609841).

Almost surely, 2^4847219681 is an apocalyptic number.

It is an amenable number.

4847219681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4847219681 is an equidigital number, since it uses as much as digits as its factorization.

4847219681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 50.

The square root of 4847219681 is about 69621.9769972097. The cubic root of 4847219681 is about 1692.3787657773.

The spelling of 4847219681 in words is "four billion, eight hundred forty-seven million, two hundred nineteen thousand, six hundred eighty-one".