3964087531 has 2 divisors, whose sum is σ = 3964087532. Its totient is φ = 3964087530.

The previous prime is 3964087511. The next prime is 3964087541. The reversal of 3964087531 is 1357804693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3964087531 - 2⁷ = 3964087403 is a prime.

It is a super-2 number, since 2×3964087531² = 31427979906859351922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3964087511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982043765 + 1982043766.

It is an arithmetic number, because the mean of its divisors is an integer number (1982043766).

Almost surely, 2^3964087531 is an apocalyptic number.

3964087531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964087531 is an equidigital number, since it uses as much as digits as its factorization.

3964087531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 3964087531 is about 62961.0000794142. Note that the first 4 decimals coincide. The cubic root of 3964087531 is about 1582.6361391514.

The spelling of 3964087531 in words is "three billion, nine hundred sixty-four million, eighty-seven thousand, five hundred thirty-one".