18654935083 has 2 divisors, whose sum is σ = 18654935084. Its totient is φ = 18654935082.

The previous prime is 18654934997. The next prime is 18654935093. The reversal of 18654935083 is 38053945681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18654935083 - 2¹³ = 18654926891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18654935083.

It is not a weakly prime, because it can be changed into another prime (18654935093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9327467541 + 9327467542.

It is an arithmetic number, because the mean of its divisors is an integer number (9327467542).

Almost surely, 2^18654935083 is an apocalyptic number.

18654935083 is a deficient number, since it is larger than the sum of its proper divisors (1).

18654935083 is an equidigital number, since it uses as much as digits as its factorization.

18654935083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 18654935083 in words is "eighteen billion, six hundred fifty-four million, nine hundred thirty-five thousand, eighty-three".