9918745153 has 2 divisors, whose sum is σ = 9918745154. Its totient is φ = 9918745152.

The previous prime is 9918745127. The next prime is 9918745201. The reversal of 9918745153 is 3515478199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9725312689 + 193432464 = 98617^2 + 13908^2 .

It is a cyclic number.

It is not a de Polignac number, because 9918745153 - 2⁵ = 9918745121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9918745153.

It is not a weakly prime, because it can be changed into another prime (9918745253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4959372576 + 4959372577.

It is an arithmetic number, because the mean of its divisors is an integer number (4959372577).

Almost surely, 2^9918745153 is an apocalyptic number.

It is an amenable number.

9918745153 is a deficient number, since it is larger than the sum of its proper divisors (1).

9918745153 is an equidigital number, since it uses as much as digits as its factorization.

9918745153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 52.

The square root of 9918745153 is about 99592.8971011487. The cubic root of 9918745153 is about 2148.5835381137.

The spelling of 9918745153 in words is "nine billion, nine hundred eighteen million, seven hundred forty-five thousand, one hundred fifty-three".