18734614463 has 2 divisors, whose sum is σ = 18734614464. Its totient is φ = 18734614462.

The previous prime is 18734614387. The next prime is 18734614469. The reversal of 18734614463 is 36441643781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18734614463 - 2²⁴ = 18717837247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18734614469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9367307231 + 9367307232.

It is an arithmetic number, because the mean of its divisors is an integer number (9367307232).

Almost surely, 2^18734614463 is an apocalyptic number.

18734614463 is a deficient number, since it is larger than the sum of its proper divisors (1).

18734614463 is an equidigital number, since it uses as much as digits as its factorization.

18734614463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 47.

The spelling of 18734614463 in words is "eighteen billion, seven hundred thirty-four million, six hundred fourteen thousand, four hundred sixty-three".