3809920064 has 28 divisors (see below), whose sum is σ = 7563752208. Its totient is φ = 1904092800.

The previous prime is 3809920061. The next prime is 3809920067. The reversal of 3809920064 is 4600299083.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3809920061) and next prime (3809920067).

It is not an unprimeable number, because it can be changed into a prime (3809920061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141959 + ... + 166649.

Almost surely, 2^3809920064 is an apocalyptic number.

It is an amenable number.

3809920064 is a deficient number, since it is larger than the sum of its proper divisors (3753832144).

3809920064 is a wasteful number, since it uses less digits than its factorization.

3809920064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27114 (or 27104 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 3809920064 is about 61724.5499295054. The cubic root of 3809920064 is about 1561.8474802756.

The spelling of 3809920064 in words is "three billion, eight hundred nine million, nine hundred twenty thousand, sixty-four".