45205938289 has 2 divisors, whose sum is σ = 45205938290. Its totient is φ = 45205938288.

The previous prime is 45205938277. The next prime is 45205938307. The reversal of 45205938289 is 98283950254.

45205938289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40648608225 + 4557330064 = 201615^2 + 67508^2 .

It is a cyclic number.

It is not a de Polignac number, because 45205938289 - 2⁵ = 45205938257 is a prime.

It is not a weakly prime, because it can be changed into another prime (45205938259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22602969144 + 22602969145.

It is an arithmetic number, because the mean of its divisors is an integer number (22602969145).

Almost surely, 2^45205938289 is an apocalyptic number.

It is an amenable number.

45205938289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45205938289 is an equidigital number, since it uses as much as digits as its factorization.

45205938289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 45205938289 in words is "forty-five billion, two hundred five million, nine hundred thirty-eight thousand, two hundred eighty-nine".