45186008849 has 2 divisors, whose sum is σ = 45186008850. Its totient is φ = 45186008848.

The previous prime is 45186008843. The next prime is 45186008893. The reversal of 45186008849 is 94880068154.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30683828224 + 14502180625 = 175168^2 + 120425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45186008849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45186008849.

It is not a weakly prime, because it can be changed into another prime (45186008843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22593004424 + 22593004425.

It is an arithmetic number, because the mean of its divisors is an integer number (22593004425).

Almost surely, 2^45186008849 is an apocalyptic number.

It is an amenable number.

45186008849 is a deficient number, since it is larger than the sum of its proper divisors (1).

45186008849 is an equidigital number, since it uses as much as digits as its factorization.

45186008849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 45186008849 in words is "forty-five billion, one hundred eighty-six million, eight thousand, eight hundred forty-nine".