45047129899 has 2 divisors, whose sum is σ = 45047129900. Its totient is φ = 45047129898.

The previous prime is 45047129863. The next prime is 45047129929. The reversal of 45047129899 is 99892174054.

45047129899 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45047129899 is a prime.

It is not a weakly prime, because it can be changed into another prime (45047129819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22523564949 + 22523564950.

It is an arithmetic number, because the mean of its divisors is an integer number (22523564950).

Almost surely, 2^45047129899 is an apocalyptic number.

45047129899 is a deficient number, since it is larger than the sum of its proper divisors (1).

45047129899 is an equidigital number, since it uses as much as digits as its factorization.

45047129899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 45047129899 in words is "forty-five billion, forty-seven million, one hundred twenty-nine thousand, eight hundred ninety-nine".