3213713885 has 4 divisors (see below), whose sum is σ = 3856456668. Its totient is φ = 2570971104.

The previous prime is 3213713869. The next prime is 3213713897. The reversal of 3213713885 is 5883173123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5883173123 = 37 ⋅159004679.

It can be written as a sum of positive squares in 2 ways, for example, as 1546298329 + 1667415556 = 39323^2 + 40834^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213713885 - 2⁴ = 3213713869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321371384 + ... + 321371393.

It is an arithmetic number, because the mean of its divisors is an integer number (964114167).

Almost surely, 2^3213713885 is an apocalyptic number.

It is an amenable number.

3213713885 is a deficient number, since it is larger than the sum of its proper divisors (642742783).

3213713885 is an equidigital number, since it uses as much as digits as its factorization.

3213713885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642742782.

The product of its digits is 120960, while the sum is 41.

The square root of 3213713885 is about 56689.6276667963. The cubic root of 3213713885 is about 1475.7146987448.

The spelling of 3213713885 in words is "three billion, two hundred thirteen million, seven hundred thirteen thousand, eight hundred eighty-five".