3967698331 has 2 divisors, whose sum is σ = 3967698332. Its totient is φ = 3967698330.

The previous prime is 3967698239. The next prime is 3967698341. The reversal of 3967698331 is 1338967693.

3967698331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3967698331 - 2²⁹ = 3430827419 is a prime.

It is a super-2 number, since 2×3967698331² = 31485260091640371122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3967698341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983849165 + 1983849166.

It is an arithmetic number, because the mean of its divisors is an integer number (1983849166).

Almost surely, 2^3967698331 is an apocalyptic number.

3967698331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3967698331 is an equidigital number, since it uses as much as digits as its factorization.

3967698331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 55.

The square root of 3967698331 is about 62989.6684465000. The cubic root of 3967698331 is about 1583.1165227881.

The spelling of 3967698331 in words is "three billion, nine hundred sixty-seven million, six hundred ninety-eight thousand, three hundred thirty-one".