45538241789 has 2 divisors, whose sum is σ = 45538241790. Its totient is φ = 45538241788.

The previous prime is 45538241729. The next prime is 45538241807. The reversal of 45538241789 is 98714283554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45521636164 + 16605625 = 213358^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 45538241789 - 2²⁰ = 45537193213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45538241729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22769120894 + 22769120895.

It is an arithmetic number, because the mean of its divisors is an integer number (22769120895).

Almost surely, 2^45538241789 is an apocalyptic number.

It is an amenable number.

45538241789 is a deficient number, since it is larger than the sum of its proper divisors (1).

45538241789 is an equidigital number, since it uses as much as digits as its factorization.

45538241789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 56.

The spelling of 45538241789 in words is "forty-five billion, five hundred thirty-eight million, two hundred forty-one thousand, seven hundred eighty-nine".