3213816740 has 12 divisors (see below), whose sum is σ = 6749015196. Its totient is φ = 1285526688.

The previous prime is 3213816719. The next prime is 3213816757. The reversal of 3213816740 is 476183123.

It can be written as a sum of positive squares in 2 ways, for example, as 779973184 + 2433843556 = 27928^2 + 49334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3213816740.

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, 80345399 + ... + 80345438.

It is an arithmetic number, because the mean of its divisors is an integer number (562417933).

Almost surely, 2^3213816740 is an apocalyptic number.

It is an amenable number.

3213816740 is an abundant number, since it is smaller than the sum of its proper divisors (3535198456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213816740 is a wasteful number, since it uses less digits than its factorization.

3213816740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160690846 (or 160690844 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3213816740 is about 56690.5348360729. The cubic root of 3213816740 is about 1475.7304420065.

Adding to 3213816740 its reverse (476183123), we get a palindrome (3689999863).

The spelling of 3213816740 in words is "three billion, two hundred thirteen million, eight hundred sixteen thousand, seven hundred forty".