18463801417 has 2 divisors, whose sum is σ = 18463801418. Its totient is φ = 18463801416.

The previous prime is 18463801393. The next prime is 18463801441. The reversal of 18463801417 is 71410836481.

It is a balanced prime because it is at equal distance from previous prime (18463801393) and next prime (18463801441).

It can be written as a sum of positive squares in only one way, i.e., 17577191241 + 886610176 = 132579^2 + 29776^2 .

It is a cyclic number.

It is not a de Polignac number, because 18463801417 - 2²³ = 18455412809 is a prime.

It is a super-2 number, since 2×18463801417² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18463801487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9231900708 + 9231900709.

It is an arithmetic number, because the mean of its divisors is an integer number (9231900709).

Almost surely, 2^18463801417 is an apocalyptic number.

It is an amenable number.

18463801417 is a deficient number, since it is larger than the sum of its proper divisors (1).

18463801417 is an equidigital number, since it uses as much as digits as its factorization.

18463801417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 18463801417 in words is "eighteen billion, four hundred sixty-three million, eight hundred one thousand, four hundred seventeen".