4444728763 has 2 divisors, whose sum is σ = 4444728764. Its totient is φ = 4444728762.

The previous prime is 4444728751. The next prime is 4444728791. The reversal of 4444728763 is 3678274444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4444728763 is a prime.

It is a super-2 number, since 2×4444728763² = 39511227553279020338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4444728713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222364381 + 2222364382.

It is an arithmetic number, because the mean of its divisors is an integer number (2222364382).

Almost surely, 2^4444728763 is an apocalyptic number.

4444728763 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444728763 is an equidigital number, since it uses as much as digits as its factorization.

4444728763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 49.

The square root of 4444728763 is about 66668.7990217313. The cubic root of 4444728763 is about 1644.1764416321.

The spelling of 4444728763 in words is "four billion, four hundred forty-four million, seven hundred twenty-eight thousand, seven hundred sixty-three".