3213812635 has 16 divisors (see below), whose sum is σ = 4241951712. Its totient is φ = 2337313440.

The previous prime is 3213812611. The next prime is 3213812639. The reversal of 3213812635 is 5362183123.

It is not a de Polignac number, because 3213812635 - 2⁷ = 3213812507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3213812635.

It is not an unprimeable number, because it can be changed into a prime (3213812639) 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, 234804 + ... + 248113.

It is an arithmetic number, because the mean of its divisors is an integer number (265121982).

Almost surely, 2^3213812635 is an apocalyptic number.

3213812635 is a deficient number, since it is larger than the sum of its proper divisors (1028139077).

3213812635 is an equidigital number, since it uses as much as digits as its factorization.

3213812635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482955 (or 482933 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 3213812635 is about 56690.4986307229. The cubic root of 3213812635 is about 1475.7298136907.

Adding to 3213812635 its reverse (5362183123), we get a palindrome (8575995758).

The spelling of 3213812635 in words is "three billion, two hundred thirteen million, eight hundred twelve thousand, six hundred thirty-five".