3921150648 has 64 divisors (see below), whose sum is σ = 9899285760. Its totient is φ = 1294258176.

The previous prime is 3921150647. The next prime is 3921150677. The reversal of 3921150648 is 8460511293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921150641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132536 + ... + 1135992.

It is an arithmetic number, because the mean of its divisors is an integer number (154676340).

Almost surely, 2^3921150648 is an apocalyptic number.

It is an amenable number.

3921150648 is an abundant number, since it is smaller than the sum of its proper divisors (5978135112).

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

3921150648 is a wasteful number, since it uses less digits than its factorization.

3921150648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916 (or 3912 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 3921150648 is about 62619.0917212954. The cubic root of 3921150648 is about 1576.9012931084.

The spelling of 3921150648 in words is "three billion, nine hundred twenty-one million, one hundred fifty thousand, six hundred forty-eight".