4400664101 has 2 divisors, whose sum is σ = 4400664102. Its totient is φ = 4400664100.

The previous prime is 4400664053. The next prime is 4400664109. The reversal of 4400664101 is 1014660044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3268408900 + 1132255201 = 57170^2 + 33649^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400664101 - 2¹⁰ = 4400663077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400664109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200332050 + 2200332051.

It is an arithmetic number, because the mean of its divisors is an integer number (2200332051).

Almost surely, 2^4400664101 is an apocalyptic number.

It is an amenable number.

4400664101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400664101 is an equidigital number, since it uses as much as digits as its factorization.

4400664101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4400664101 is about 66337.5014678726. The cubic root of 4400664101 is about 1638.7249782775.

The spelling of 4400664101 in words is "four billion, four hundred million, six hundred sixty-four thousand, one hundred one".