3316643387 has 2 divisors, whose sum is σ = 3316643388. Its totient is φ = 3316643386.

The previous prime is 3316643371. The next prime is 3316643413. The reversal of 3316643387 is 7833466133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3316643387 - 2⁴ = 3316643371 is a prime.

It is a super-2 number, since 2×3316643387² = 22000246713061663538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3316643327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1658321693 + 1658321694.

It is an arithmetic number, because the mean of its divisors is an integer number (1658321694).

Almost surely, 2^3316643387 is an apocalyptic number.

3316643387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3316643387 is an equidigital number, since it uses as much as digits as its factorization.

3316643387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 44.

The square root of 3316643387 is about 57590.3063631372. The cubic root of 3316643387 is about 1491.3042626997.

The spelling of 3316643387 in words is "three billion, three hundred sixteen million, six hundred forty-three thousand, three hundred eighty-seven".