4405766634389 has 2 divisors, whose sum is σ = 4405766634390. Its totient is φ = 4405766634388.

The previous prime is 4405766634331. The next prime is 4405766634407. The reversal of 4405766634389 is 9834366675044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2930858400625 + 1474908233764 = 1711975^2 + 1214458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4405766634389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4405766634589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202883317194 + 2202883317195.

It is an arithmetic number, because the mean of its divisors is an integer number (2202883317195).

Almost surely, 2^{4405766634389} is an apocalyptic number.

It is an amenable number.

4405766634389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405766634389 is an equidigital number, since it uses as much as digits as its factorization.

4405766634389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313528320, while the sum is 65.

The spelling of 4405766634389 in words is "four trillion, four hundred five billion, seven hundred sixty-six million, six hundred thirty-four thousand, three hundred eighty-nine".