45126446609 has 2 divisors, whose sum is σ = 45126446610. Its totient is φ = 45126446608.

The previous prime is 45126446587. The next prime is 45126446611. The reversal of 45126446609 is 90664462154.

45126446609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45122256400 + 4190209 = 212420^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 45126446609 - 2¹⁶ = 45126381073 is a prime.

Together with 45126446611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45126446809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22563223304 + 22563223305.

It is an arithmetic number, because the mean of its divisors is an integer number (22563223305).

Almost surely, 2^45126446609 is an apocalyptic number.

It is an amenable number.

45126446609 is a deficient number, since it is larger than the sum of its proper divisors (1).

45126446609 is an equidigital number, since it uses as much as digits as its factorization.

45126446609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 45126446609 in words is "forty-five billion, one hundred twenty-six million, four hundred forty-six thousand, six hundred nine".