45370193849 has 2 divisors, whose sum is σ = 45370193850. Its totient is φ = 45370193848.

The previous prime is 45370193837. The next prime is 45370193863. The reversal of 45370193849 is 94839107354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37684515625 + 7685678224 = 194125^2 + 87668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45370193849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45370193849.

It is not a weakly prime, because it can be changed into another prime (45370193149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22685096924 + 22685096925.

It is an arithmetic number, because the mean of its divisors is an integer number (22685096925).

Almost surely, 2^45370193849 is an apocalyptic number.

It is an amenable number.

45370193849 is a deficient number, since it is larger than the sum of its proper divisors (1).

45370193849 is an equidigital number, since it uses as much as digits as its factorization.

45370193849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 45370193849 in words is "forty-five billion, three hundred seventy million, one hundred ninety-three thousand, eight hundred forty-nine".