3923069680 has 20 divisors (see below), whose sum is σ = 9121137192. Its totient is φ = 1569227840.

The previous prime is 3923069659. The next prime is 3923069687. The reversal of 3923069680 is 869603293.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3923069680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923069687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24519106 + ... + 24519265.

Almost surely, 2^3923069680 is an apocalyptic number.

It is an amenable number.

3923069680 is an abundant number, since it is smaller than the sum of its proper divisors (5198067512).

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

3923069680 is a wasteful number, since it uses less digits than its factorization.

3923069680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49038384 (or 49038378 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 3923069680 is about 62634.4129053670. The cubic root of 3923069680 is about 1577.1584991160.

The spelling of 3923069680 in words is "three billion, nine hundred twenty-three million, sixty-nine thousand, six hundred eighty".