3362136821 has 2 divisors, whose sum is σ = 3362136822. Its totient is φ = 3362136820.

The previous prime is 3362136809. The next prime is 3362136829. The reversal of 3362136821 is 1286312633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1756531921 + 1605604900 = 41911^2 + 40070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3362136821 is a prime.

It is a super-2 number, since 2×3362136821² = 22607928006247972082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3362136829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1681068410 + 1681068411.

It is an arithmetic number, because the mean of its divisors is an integer number (1681068411).

Almost surely, 2^3362136821 is an apocalyptic number.

It is an amenable number.

3362136821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3362136821 is an equidigital number, since it uses as much as digits as its factorization.

3362136821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 3362136821 is about 57983.9358874508. The cubic root of 3362136821 is about 1498.0919176956.

The spelling of 3362136821 in words is "three billion, three hundred sixty-two million, one hundred thirty-six thousand, eight hundred twenty-one".