4127734821 has 8 divisors (see below), whose sum is σ = 6289881664. Its totient is φ = 2358705600.

The previous prime is 4127734789. The next prime is 4127734829. The reversal of 4127734821 is 1284377214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4127734821 - 2⁵ = 4127734789 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 4127734821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4127734829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98279380 + ... + 98279421.

It is an arithmetic number, because the mean of its divisors is an integer number (786235208).

Almost surely, 2^4127734821 is an apocalyptic number.

It is an amenable number.

4127734821 is a deficient number, since it is larger than the sum of its proper divisors (2162146843).

4127734821 is a wasteful number, since it uses less digits than its factorization.

4127734821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196558811.

The product of its digits is 75264, while the sum is 39.

The square root of 4127734821 is about 64247.4499182652. The cubic root of 4127734821 is about 1604.1215122455.

The spelling of 4127734821 in words is "four billion, one hundred twenty-seven million, seven hundred thirty-four thousand, eight hundred twenty-one".