3441309821 has 2 divisors, whose sum is σ = 3441309822. Its totient is φ = 3441309820.

The previous prime is 3441309803. The next prime is 3441309829. The reversal of 3441309821 is 1289031443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3247404196 + 193905625 = 56986^2 + 13925^2 .

It is a cyclic number.

It is not a de Polignac number, because 3441309821 - 2¹⁰ = 3441308797 is a prime.

It is a super-2 number, since 2×3441309821² = 23685226568222104082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3441309829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720654910 + 1720654911.

It is an arithmetic number, because the mean of its divisors is an integer number (1720654911).

Almost surely, 2^3441309821 is an apocalyptic number.

It is an amenable number.

3441309821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3441309821 is an equidigital number, since it uses as much as digits as its factorization.

3441309821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 3441309821 is about 58662.6782631001. The cubic root of 3441309821 is about 1509.7600339400.

The spelling of 3441309821 in words is "three billion, four hundred forty-one million, three hundred nine thousand, eight hundred twenty-one".