45426254189 has 2 divisors, whose sum is σ = 45426254190. Its totient is φ = 45426254188.

The previous prime is 45426254129. The next prime is 45426254191. The reversal of 45426254189 is 98145262454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25050975625 + 20375278564 = 158275^2 + 142742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45426254189 is a prime.

It is a Sophie Germain prime.

Together with 45426254191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45426254119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22713127094 + 22713127095.

It is an arithmetic number, because the mean of its divisors is an integer number (22713127095).

Almost surely, 2^45426254189 is an apocalyptic number.

It is an amenable number.

45426254189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45426254189 is an equidigital number, since it uses as much as digits as its factorization.

45426254189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 50.

The spelling of 45426254189 in words is "forty-five billion, four hundred twenty-six million, two hundred fifty-four thousand, one hundred eighty-nine".