4468021049 has 2 divisors, whose sum is σ = 4468021050. Its totient is φ = 4468021048.

The previous prime is 4468021037. The next prime is 4468021093. The reversal of 4468021049 is 9401208644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3844620025 + 623401024 = 62005^2 + 24968^2 .

It is a cyclic number.

It is not a de Polignac number, because 4468021049 - 2²⁰ = 4466972473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4468024049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2234010524 + 2234010525.

It is an arithmetic number, because the mean of its divisors is an integer number (2234010525).

Almost surely, 2^4468021049 is an apocalyptic number.

It is an amenable number.

4468021049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4468021049 is an equidigital number, since it uses as much as digits as its factorization.

4468021049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 4468021049 is about 66843.2573188949. The cubic root of 4468021049 is about 1647.0435026020.

The spelling of 4468021049 in words is "four billion, four hundred sixty-eight million, twenty-one thousand, forty-nine".