4427138551 has 16 divisors (see below), whose sum is σ = 5007449088. Its totient is φ = 3877617600.

The previous prime is 4427138543. The next prime is 4427138561. The reversal of 4427138551 is 1558317244.

It is a cyclic number.

It is not a de Polignac number, because 4427138551 - 2³ = 4427138543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427138561) 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, 48811 + ... + 106003.

It is an arithmetic number, because the mean of its divisors is an integer number (312965568).

Almost surely, 2^4427138551 is an apocalyptic number.

4427138551 is a deficient number, since it is larger than the sum of its proper divisors (580310537).

4427138551 is a wasteful number, since it uses less digits than its factorization.

4427138551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57462.

The product of its digits is 134400, while the sum is 40.

The square root of 4427138551 is about 66536.7458702332. The cubic root of 4427138551 is about 1642.0046069027.

The spelling of 4427138551 in words is "four billion, four hundred twenty-seven million, one hundred thirty-eight thousand, five hundred fifty-one".