445655460109 has 2 divisors, whose sum is σ = 445655460110. Its totient is φ = 445655460108.

The previous prime is 445655460091. The next prime is 445655460247. The reversal of 445655460109 is 901064556544.

Together with previous prime (445655460091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425893286025 + 19762174084 = 652605^2 + 140578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445655460109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445655464109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222827730054 + 222827730055.

It is an arithmetic number, because the mean of its divisors is an integer number (222827730055).

Almost surely, 2^445655460109 is an apocalyptic number.

It is an amenable number.

445655460109 is a deficient number, since it is larger than the sum of its proper divisors (1).

445655460109 is an equidigital number, since it uses as much as digits as its factorization.

445655460109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 445655460109 in words is "four hundred forty-five billion, six hundred fifty-five million, four hundred sixty thousand, one hundred nine".