3964643250 has 32 divisors (see below), whose sum is σ = 9895751424. Its totient is φ = 1057238000.

The previous prime is 3964643233. The next prime is 3964643261. The reversal of 3964643250 is 523464693.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2642346 + ... + 2643845.

It is an arithmetic number, because the mean of its divisors is an integer number (309242232).

Almost surely, 2^3964643250 is an apocalyptic number.

3964643250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3964643250 is an abundant number, since it is smaller than the sum of its proper divisors (5931108174).

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

3964643250 is a wasteful number, since it uses less digits than its factorization.

3964643250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286211 (or 5286201 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 3964643250 is about 62965.4131249847. The cubic root of 3964643250 is about 1582.7100914267.

The spelling of 3964643250 in words is "three billion, nine hundred sixty-four million, six hundred forty-three thousand, two hundred fifty".