3213689740 has 24 divisors (see below), whose sum is σ = 6762294000. Its totient is φ = 1282895808.

The previous prime is 3213689683. The next prime is 3213689767. The reversal of 3213689740 is 479863123.

3213689740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151027 + ... + 170986.

It is an arithmetic number, because the mean of its divisors is an integer number (281762250).

Almost surely, 2^3213689740 is an apocalyptic number.

It is an amenable number.

3213689740 is an abundant number, since it is smaller than the sum of its proper divisors (3548604260).

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

3213689740 is a wasteful number, since it uses less digits than its factorization.

3213689740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322521 (or 322519 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 3213689740 is about 56689.4147085679. The cubic root of 3213689740 is about 1475.7110029978.

The spelling of 3213689740 in words is "three billion, two hundred thirteen million, six hundred eighty-nine thousand, seven hundred forty".