18454387753 has 2 divisors, whose sum is σ = 18454387754. Its totient is φ = 18454387752.

The previous prime is 18454387751. The next prime is 18454387817. The reversal of 18454387753 is 35778345481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16431906969 + 2022480784 = 128187^2 + 44972^2 .

It is a cyclic number.

It is not a de Polignac number, because 18454387753 - 2¹ = 18454387751 is a prime.

Together with 18454387751, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 18454387694 and 18454387703.

It is not a weakly prime, because it can be changed into another prime (18454387751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9227193876 + 9227193877.

It is an arithmetic number, because the mean of its divisors is an integer number (9227193877).

Almost surely, 2^18454387753 is an apocalyptic number.

It is an amenable number.

18454387753 is a deficient number, since it is larger than the sum of its proper divisors (1).

18454387753 is an equidigital number, since it uses as much as digits as its factorization.

18454387753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11289600, while the sum is 55.

The spelling of 18454387753 in words is "eighteen billion, four hundred fifty-four million, three hundred eighty-seven thousand, seven hundred fifty-three".