4344477681 has 16 divisors (see below), whose sum is σ = 5908184064. Its totient is φ = 2838660864.

The previous prime is 4344477679. The next prime is 4344477701. The reversal of 4344477681 is 1867744434.

It is not a de Polignac number, because 4344477681 - 2¹ = 4344477679 is a prime.

It is a super-2 number, since 2×4344477681² = 37748972641414275522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4344477681.

It is not an unprimeable number, because it can be changed into a prime (4344477601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141360 + ... + 169326.

It is an arithmetic number, because the mean of its divisors is an integer number (369261504).

Almost surely, 2^4344477681 is an apocalyptic number.

It is an amenable number.

4344477681 is a deficient number, since it is larger than the sum of its proper divisors (1563706383).

4344477681 is a wasteful number, since it uses less digits than its factorization.

4344477681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29000.

The product of its digits is 1806336, while the sum is 48.

The square root of 4344477681 is about 65912.6519038644. The cubic root of 4344477681 is about 1631.7208269555.

The spelling of 4344477681 in words is "four billion, three hundred forty-four million, four hundred seventy-seven thousand, six hundred eighty-one".