4384428261 has 4 divisors (see below), whose sum is σ = 5845904352. Its totient is φ = 2922952172.

The previous prime is 4384428259. The next prime is 4384428287. The reversal of 4384428261 is 1628244834.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4384428261 - 2¹ = 4384428259 is a prime.

It is a super-2 number, since 2×4384428261² = 38446422351710968242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4384428661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730738041 + ... + 730738046.

It is an arithmetic number, because the mean of its divisors is an integer number (1461476088).

Almost surely, 2^4384428261 is an apocalyptic number.

It is an amenable number.

4384428261 is a deficient number, since it is larger than the sum of its proper divisors (1461476091).

4384428261 is a wasteful number, since it uses less digits than its factorization.

4384428261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461476090.

The product of its digits is 294912, while the sum is 42.

The square root of 4384428261 is about 66215.0153741581. The cubic root of 4384428261 is about 1636.7071870696.

The spelling of 4384428261 in words is "four billion, three hundred eighty-four million, four hundred twenty-eight thousand, two hundred sixty-one".