18687823535483 has 2 divisors, whose sum is σ = 18687823535484. Its totient is φ = 18687823535482.

The previous prime is 18687823535467. The next prime is 18687823535489. The reversal of 18687823535483 is 38453532878681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18687823535483 - 2⁴ = 18687823535467 is a prime.

It is not a weakly prime, because it can be changed into another prime (18687823535489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9343911767741 + 9343911767742.

It is an arithmetic number, because the mean of its divisors is an integer number (9343911767742).

Almost surely, 2^{18687823535483} is an apocalyptic number.

18687823535483 is a deficient number, since it is larger than the sum of its proper divisors (1).

18687823535483 is an equidigital number, since it uses as much as digits as its factorization.

18687823535483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 928972800, while the sum is 71.

The spelling of 18687823535483 in words is "eighteen trillion, six hundred eighty-seven billion, eight hundred twenty-three million, five hundred thirty-five thousand, four hundred eighty-three".