18434416153 has 2 divisors, whose sum is σ = 18434416154. Its totient is φ = 18434416152.

The previous prime is 18434416103. The next prime is 18434416163. The reversal of 18434416153 is 35161443481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10163059344 + 8271356809 = 100812^2 + 90947^2 .

It is an emirp because it is prime and its reverse (35161443481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18434416153 - 2¹⁷ = 18434285081 is a prime.

It is not a weakly prime, because it can be changed into another prime (18434416103) 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, 9217208076 + 9217208077.

It is an arithmetic number, because the mean of its divisors is an integer number (9217208077).

Almost surely, 2^18434416153 is an apocalyptic number.

It is an amenable number.

18434416153 is a deficient number, since it is larger than the sum of its proper divisors (1).

18434416153 is an equidigital number, since it uses as much as digits as its factorization.

18434416153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The spelling of 18434416153 in words is "eighteen billion, four hundred thirty-four million, four hundred sixteen thousand, one hundred fifty-three".