3921526064 has 40 divisors (see below), whose sum is σ = 7671071520. Its totient is φ = 1941982208.

The previous prime is 3921525977. The next prime is 3921526069. The reversal of 3921526064 is 4606251293.

It is not an unprimeable number, because it can be changed into a prime (3921526069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 780392 + ... + 785400.

It is an arithmetic number, because the mean of its divisors is an integer number (191776788).

Almost surely, 2^3921526064 is an apocalyptic number.

It is an amenable number.

3921526064 is a deficient number, since it is larger than the sum of its proper divisors (3749545456).

3921526064 is a wasteful number, since it uses less digits than its factorization.

3921526064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477 (or 5471 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 3921526064 is about 62622.0892656896. The cubic root of 3921526064 is about 1576.9516163543.

The spelling of 3921526064 in words is "three billion, nine hundred twenty-one million, five hundred twenty-six thousand, sixty-four".