3921283641 has 16 divisors (see below), whose sum is σ = 5725891008. Its totient is φ = 2367283200.

The previous prime is 3921283591. The next prime is 3921283661. The reversal of 3921283641 is 1463821293.

3921283641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3921283641 - 2¹¹ = 3921281593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3921283641.

It is not an unprimeable number, because it can be changed into a prime (3921283661) 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, 222700 + ... + 239661.

It is an arithmetic number, because the mean of its divisors is an integer number (357868188).

Almost surely, 2^3921283641 is an apocalyptic number.

It is an amenable number.

3921283641 is a deficient number, since it is larger than the sum of its proper divisors (1804607367).

3921283641 is a wasteful number, since it uses less digits than its factorization.

3921283641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462632.

The product of its digits is 62208, while the sum is 39.

The square root of 3921283641 is about 62620.1536328361. The cubic root of 3921283641 is about 1576.9191207379.

The spelling of 3921283641 in words is "three billion, nine hundred twenty-one million, two hundred eighty-three thousand, six hundred forty-one".