4444690159 has 16 divisors (see below), whose sum is σ = 5758305280. Its totient is φ = 3331588320.

The previous prime is 4444690127. The next prime is 4444690169. The reversal of 4444690159 is 9510964444.

It is a cyclic number.

It is not a de Polignac number, because 4444690159 - 2⁵ = 4444690127 is a prime.

It is a super-2 number, since 2×4444690159² = 39510541219022890562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444690169) 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, 1283607 + ... + 1287064.

It is an arithmetic number, because the mean of its divisors is an integer number (359894080).

Almost surely, 2^4444690159 is an apocalyptic number.

4444690159 is a deficient number, since it is larger than the sum of its proper divisors (1313615121).

4444690159 is a wasteful number, since it uses less digits than its factorization.

4444690159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570710.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 4444690159 is about 66668.5095003631. The cubic root of 4444690159 is about 1644.1716815388.

The spelling of 4444690159 in words is "four billion, four hundred forty-four million, six hundred ninety thousand, one hundred fifty-nine".