4244121895 has 16 divisors (see below), whose sum is σ = 5493321792. Its totient is φ = 3129200640.

The previous prime is 4244121877. The next prime is 4244121911. The reversal of 4244121895 is 5981214424.

It is a de Polignac number, because none of the positive numbers 2^k-4244121895 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9267 + ... + 92596.

It is an arithmetic number, because the mean of its divisors is an integer number (343332612).

Almost surely, 2^4244121895 is an apocalyptic number.

4244121895 is a deficient number, since it is larger than the sum of its proper divisors (1249199897).

4244121895 is a wasteful number, since it uses less digits than its factorization.

4244121895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102522.

The product of its digits is 92160, while the sum is 40.

The square root of 4244121895 is about 65146.9254454882. The cubic root of 4244121895 is about 1619.0587804689.

The spelling of 4244121895 in words is "four billion, two hundred forty-four million, one hundred twenty-one thousand, eight hundred ninety-five".