45546368129 has 2 divisors, whose sum is σ = 45546368130. Its totient is φ = 45546368128.

The previous prime is 45546368117. The next prime is 45546368137. The reversal of 45546368129 is 92186364554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42708355600 + 2838012529 = 206660^2 + 53273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45546368129 is a prime.

It is not a weakly prime, because it can be changed into another prime (45546368629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22773184064 + 22773184065.

It is an arithmetic number, because the mean of its divisors is an integer number (22773184065).

Almost surely, 2^45546368129 is an apocalyptic number.

It is an amenable number.

45546368129 is a deficient number, since it is larger than the sum of its proper divisors (1).

45546368129 is an equidigital number, since it uses as much as digits as its factorization.

45546368129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 53.

The spelling of 45546368129 in words is "forty-five billion, five hundred forty-six million, three hundred sixty-eight thousand, one hundred twenty-nine".