3312943687 has 4 divisors (see below), whose sum is σ = 3327410920. Its totient is φ = 3298476456.

The previous prime is 3312943639. The next prime is 3312943691. The reversal of 3312943687 is 7863492133.

3312943687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3312943687 - 2¹⁵ = 3312910919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312943637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7233273 + ... + 7233730.

It is an arithmetic number, because the mean of its divisors is an integer number (831852730).

Almost surely, 2^3312943687 is an apocalyptic number.

3312943687 is a deficient number, since it is larger than the sum of its proper divisors (14467233).

3312943687 is a wasteful number, since it uses less digits than its factorization.

3312943687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14467232.

The product of its digits is 653184, while the sum is 46.

The square root of 3312943687 is about 57558.1765433896. The cubic root of 3312943687 is about 1490.7495421037.

The spelling of 3312943687 in words is "three billion, three hundred twelve million, nine hundred forty-three thousand, six hundred eighty-seven".