4442702721 has 16 divisors (see below), whose sum is σ = 6436515840. Its totient is φ = 2715402960.

The previous prime is 4442702713. The next prime is 4442702729. The reversal of 4442702721 is 1272072444.

It is an interprime number because it is at equal distance from previous prime (4442702713) and next prime (4442702729).

It is not a de Polignac number, because 4442702721 - 2³ = 4442702713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4442702729) 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, 1255365 + ... + 1258898.

It is an arithmetic number, because the mean of its divisors is an integer number (402282240).

Almost surely, 2^4442702721 is an apocalyptic number.

It is an amenable number.

4442702721 is a deficient number, since it is larger than the sum of its proper divisors (1993813119).

4442702721 is a wasteful number, since it uses less digits than its factorization.

4442702721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514316.

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 4442702721 is about 66653.6024607823. The cubic root of 4442702721 is about 1643.9265818558.

The spelling of 4442702721 in words is "four billion, four hundred forty-two million, seven hundred two thousand, seven hundred twenty-one".