18475834963 has 2 divisors, whose sum is σ = 18475834964. Its totient is φ = 18475834962.

The previous prime is 18475834903. The next prime is 18475834981. The reversal of 18475834963 is 36943857481.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18475834963 is a prime.

It is a super-2 number, since 2×18475834963² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18475834898 and 18475834907.

It is not a weakly prime, because it can be changed into another prime (18475834903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9237917481 + 9237917482.

It is an arithmetic number, because the mean of its divisors is an integer number (9237917482).

Almost surely, 2^18475834963 is an apocalyptic number.

18475834963 is a deficient number, since it is larger than the sum of its proper divisors (1).

18475834963 is an equidigital number, since it uses as much as digits as its factorization.

18475834963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 58.

The spelling of 18475834963 in words is "eighteen billion, four hundred seventy-five million, eight hundred thirty-four thousand, nine hundred sixty-three".