4466821901 has 2 divisors, whose sum is σ = 4466821902. Its totient is φ = 4466821900.

The previous prime is 4466821883. The next prime is 4466821913. The reversal of 4466821901 is 1091286644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2665243876 + 1801578025 = 51626^2 + 42445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4466821901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4466821921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2233410950 + 2233410951.

It is an arithmetic number, because the mean of its divisors is an integer number (2233410951).

Almost surely, 2^4466821901 is an apocalyptic number.

It is an amenable number.

4466821901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4466821901 is an equidigital number, since it uses as much as digits as its factorization.

4466821901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 4466821901 is about 66834.2868668470. The cubic root of 4466821901 is about 1646.8961423861.

The spelling of 4466821901 in words is "four billion, four hundred sixty-six million, eight hundred twenty-one thousand, nine hundred one".