3521351864 has 32 divisors (see below), whose sum is σ = 6785758800. Its totient is φ = 1711883520.

The previous prime is 3521351863. The next prime is 3521351887. The reversal of 3521351864 is 4681531253.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521351863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532772 + ... + 539340.

Almost surely, 2^3521351864 is an apocalyptic number.

It is an amenable number.

3521351864 is a deficient number, since it is larger than the sum of its proper divisors (3264406936).

3521351864 is a wasteful number, since it uses less digits than its factorization.

3521351864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423 (or 8419 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 3521351864 is about 59340.9796346505. The cubic root of 3521351864 is about 1521.3756970515.

The spelling of 3521351864 in words is "three billion, five hundred twenty-one million, three hundred fifty-one thousand, eight hundred sixty-four".