4221476761 has 2 divisors, whose sum is σ = 4221476762. Its totient is φ = 4221476760.

The previous prime is 4221476729. The next prime is 4221476773. The reversal of 4221476761 is 1676741224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4104836761 + 116640000 = 64069^2 + 10800^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221476761 - 2⁵ = 4221476729 is a prime.

It is a super-2 number, since 2×4221476761² = 35641732087326102242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4221477761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110738380 + 2110738381.

It is an arithmetic number, because the mean of its divisors is an integer number (2110738381).

Almost surely, 2^4221476761 is an apocalyptic number.

It is an amenable number.

4221476761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221476761 is an equidigital number, since it uses as much as digits as its factorization.

4221476761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 4221476761 is about 64972.8925091072. The cubic root of 4221476761 is about 1616.1740686806.

The spelling of 4221476761 in words is "four billion, two hundred twenty-one million, four hundred seventy-six thousand, seven hundred sixty-one".