3355372021 has 2 divisors, whose sum is σ = 3355372022. Its totient is φ = 3355372020.

The previous prime is 3355372003. The next prime is 3355372081. The reversal of 3355372021 is 1202735533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2982688996 + 372683025 = 54614^2 + 19305^2 .

It is a cyclic number.

It is not a de Polignac number, because 3355372021 - 2⁵ = 3355371989 is a prime.

It is a super-2 number, since 2×3355372021² = 22517042798619248882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3355372081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1677686010 + 1677686011.

It is an arithmetic number, because the mean of its divisors is an integer number (1677686011).

Almost surely, 2^3355372021 is an apocalyptic number.

It is an amenable number.

3355372021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3355372021 is an equidigital number, since it uses as much as digits as its factorization.

3355372021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 3355372021 is about 57925.5731175791. The cubic root of 3355372021 is about 1497.0864959191.

The spelling of 3355372021 in words is "three billion, three hundred fifty-five million, three hundred seventy-two thousand, twenty-one".