3343885621 has 2 divisors, whose sum is σ = 3343885622. Its totient is φ = 3343885620.

The previous prime is 3343885607. The next prime is 3343885631. The reversal of 3343885621 is 1265883433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2620006596 + 723879025 = 51186^2 + 26905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3343885621 - 2¹³ = 3343877429 is a prime.

It is a super-2 number, since 2×3343885621² = 22363142092661111282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3343885631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1671942810 + 1671942811.

It is an arithmetic number, because the mean of its divisors is an integer number (1671942811).

Almost surely, 2^3343885621 is an apocalyptic number.

It is an amenable number.

3343885621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3343885621 is an equidigital number, since it uses as much as digits as its factorization.

3343885621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The square root of 3343885621 is about 57826.3402006387. The cubic root of 3343885621 is about 1495.3762241465.

The spelling of 3343885621 in words is "three billion, three hundred forty-three million, eight hundred eighty-five thousand, six hundred twenty-one".