4444729613 has 2 divisors, whose sum is σ = 4444729614. Its totient is φ = 4444729612.

The previous prime is 4444729607. The next prime is 4444729637. The reversal of 4444729613 is 3169274444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4235146084 + 209583529 = 65078^2 + 14477^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444729613 - 2¹² = 4444725517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4444729643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222364806 + 2222364807.

It is an arithmetic number, because the mean of its divisors is an integer number (2222364807).

Almost surely, 2^4444729613 is an apocalyptic number.

It is an amenable number.

4444729613 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444729613 is an equidigital number, since it uses as much as digits as its factorization.

4444729613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 44.

The square root of 4444729613 is about 66668.8053965271. The cubic root of 4444729613 is about 1644.1765464417.

The spelling of 4444729613 in words is "four billion, four hundred forty-four million, seven hundred twenty-nine thousand, six hundred thirteen".