3964987473 has 16 divisors (see below), whose sum is σ = 5416424640. Its totient is φ = 2578593024.

The previous prime is 3964987471. The next prime is 3964987487. The reversal of 3964987473 is 3747894693.

It is not a de Polignac number, because 3964987473 - 2¹ = 3964987471 is a prime.

It is a super-2 number, since 2×3964987473² = 31442251322093851458, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3964987471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85365 + ... + 123357.

It is an arithmetic number, because the mean of its divisors is an integer number (338526540).

Almost surely, 2^3964987473 is an apocalyptic number.

It is an amenable number.

3964987473 is a deficient number, since it is larger than the sum of its proper divisors (1451437167).

3964987473 is a wasteful number, since it uses less digits than its factorization.

3964987473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38848.

The product of its digits is 27433728, while the sum is 60.

The square root of 3964987473 is about 62968.1464948747. The cubic root of 3964987473 is about 1582.7558954175.

The spelling of 3964987473 in words is "three billion, nine hundred sixty-four million, nine hundred eighty-seven thousand, four hundred seventy-three".