4421275391 has 16 divisors (see below), whose sum is σ = 5059724544. Its totient is φ = 3827188224.

The previous prime is 4421275387. The next prime is 4421275421. The reversal of 4421275391 is 1935721244.

It is a cyclic number.

It is not a de Polignac number, because 4421275391 - 2² = 4421275387 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 (4421271391) 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, 25106 + ... + 97328.

It is an arithmetic number, because the mean of its divisors is an integer number (316232784).

Almost surely, 2^4421275391 is an apocalyptic number.

4421275391 is a deficient number, since it is larger than the sum of its proper divisors (638449153).

4421275391 is a wasteful number, since it uses less digits than its factorization.

4421275391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72530.

The product of its digits is 60480, while the sum is 38.

The square root of 4421275391 is about 66492.6717089936. The cubic root of 4421275391 is about 1641.2794139596.

The spelling of 4421275391 in words is "four billion, four hundred twenty-one million, two hundred seventy-five thousand, three hundred ninety-one".