3356246021 has 2 divisors, whose sum is σ = 3356246022. Its totient is φ = 3356246020.

The previous prime is 3356245999. The next prime is 3356246027. The reversal of 3356246021 is 1206426533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2471183521 + 885062500 = 49711^2 + 29750^2 .

It is a cyclic number.

It is not a de Polignac number, because 3356246021 - 2⁶ = 3356245957 is a prime.

It is a super-2 number, since 2×3356246021² = 22528774706956664882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3356246027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1678123010 + 1678123011.

It is an arithmetic number, because the mean of its divisors is an integer number (1678123011).

Almost surely, 2^3356246021 is an apocalyptic number.

It is an amenable number.

3356246021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3356246021 is an equidigital number, since it uses as much as digits as its factorization.

3356246021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3356246021 is about 57933.1167899674. The cubic root of 3356246021 is about 1497.2164705785.

The spelling of 3356246021 in words is "three billion, three hundred fifty-six million, two hundred forty-six thousand, twenty-one".