4048637641 has 4 divisors (see below), whose sum is σ = 4050769284. Its totient is φ = 4046506000.

The previous prime is 4048637623. The next prime is 4048637653. The reversal of 4048637641 is 1467368404.

4048637641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2269569600 + 1779068041 = 47640^2 + 42179^2 .

It is a cyclic number.

It is not a de Polignac number, because 4048637641 - 2⁹ = 4048637129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4048632641) 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, 1062970 + ... + 1066771.

It is an arithmetic number, because the mean of its divisors is an integer number (1012692321).

Almost surely, 2^4048637641 is an apocalyptic number.

It is an amenable number.

4048637641 is a deficient number, since it is larger than the sum of its proper divisors (2131643).

4048637641 is a wasteful number, since it uses less digits than its factorization.

4048637641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131642.

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 4048637641 is about 63628.9057033044. The cubic root of 4048637641 is about 1593.8091025607.

The spelling of 4048637641 in words is "four billion, forty-eight million, six hundred thirty-seven thousand, six hundred forty-one".