3967634873 has 2 divisors, whose sum is σ = 3967634874. Its totient is φ = 3967634872.

The previous prime is 3967634843. The next prime is 3967634887. The reversal of 3967634873 is 3784367693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3112189369 + 855445504 = 55787^2 + 29248^2 .

It is a cyclic number.

It is not a de Polignac number, because 3967634873 - 2⁶ = 3967634809 is a prime.

It is a super-2 number, since 2×3967634873² = 31484252970891452258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3967634833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983817436 + 1983817437.

It is an arithmetic number, because the mean of its divisors is an integer number (1983817437).

Almost surely, 2^3967634873 is an apocalyptic number.

It is an amenable number.

3967634873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3967634873 is an equidigital number, since it uses as much as digits as its factorization.

3967634873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 56.

The square root of 3967634873 is about 62989.1647269592. The cubic root of 3967634873 is about 1583.1080828030.

The spelling of 3967634873 in words is "three billion, nine hundred sixty-seven million, six hundred thirty-four thousand, eight hundred seventy-three".