3964987471 has 2 divisors, whose sum is σ = 3964987472. Its totient is φ = 3964987470.

The previous prime is 3964987463. The next prime is 3964987487. The reversal of 3964987471 is 1747894693.

3964987471 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1747894693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3964987471 - 2³ = 3964987463 is a prime.

It is a super-3 number, since 3×3964987471³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964987421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982493735 + 1982493736.

It is an arithmetic number, because the mean of its divisors is an integer number (1982493736).

Almost surely, 2^3964987471 is an apocalyptic number.

3964987471 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964987471 is an equidigital number, since it uses as much as digits as its factorization.

3964987471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 58.

The square root of 3964987471 is about 62968.1464789936. The cubic root of 3964987471 is about 1582.7558951514.

The spelling of 3964987471 in words is "three billion, nine hundred sixty-four million, nine hundred eighty-seven thousand, four hundred seventy-one".