3848644551 has 4 divisors (see below), whose sum is σ = 5131526072. Its totient is φ = 2565763032.

The previous prime is 3848644537. The next prime is 3848644559. The reversal of 3848644551 is 1554468483.

3848644551 is digitally balanced in base 3, 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 is not a de Polignac number, because 3848644551 - 2⁵ = 3848644519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3848644551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3848644559) 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 3 ways as a sum of consecutive naturals, for example, 641440756 + ... + 641440761.

It is an arithmetic number, because the mean of its divisors is an integer number (1282881518).

Almost surely, 2^3848644551 is an apocalyptic number.

3848644551 is a deficient number, since it is larger than the sum of its proper divisors (1282881521).

3848644551 is a wasteful number, since it uses less digits than its factorization.

3848644551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282881520.

The product of its digits is 1843200, while the sum is 48.

The square root of 3848644551 is about 62037.4447491191. Note that the first 3 decimals coincide. The cubic root of 3848644551 is about 1567.1212547183.

The spelling of 3848644551 in words is "three billion, eight hundred forty-eight million, six hundred forty-four thousand, five hundred fifty-one".