18479000053 has 2 divisors, whose sum is σ = 18479000054. Its totient is φ = 18479000052.

The previous prime is 18479000027. The next prime is 18479000081. The reversal of 18479000053 is 35000097481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18112583889 + 366416164 = 134583^2 + 19142^2 .

It is an emirp because it is prime and its reverse (35000097481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18479000053 - 2²⁹ = 17942129141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18478999976 and 18479000021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18479000093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9239500026 + 9239500027.

It is an arithmetic number, because the mean of its divisors is an integer number (9239500027).

Almost surely, 2^18479000053 is an apocalyptic number.

It is an amenable number.

18479000053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18479000053 is an equidigital number, since it uses as much as digits as its factorization.

18479000053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 18479000053 in words is "eighteen billion, four hundred seventy-nine million, fifty-three", and thus it is an aban number.