18682613707 has 2 divisors, whose sum is σ = 18682613708. Its totient is φ = 18682613706.

The previous prime is 18682613689. The next prime is 18682613713. The reversal of 18682613707 is 70731628681.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18682613707 is a prime.

It is not a weakly prime, because it can be changed into another prime (18682613737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9341306853 + 9341306854.

It is an arithmetic number, because the mean of its divisors is an integer number (9341306854).

Almost surely, 2^18682613707 is an apocalyptic number.

18682613707 is a deficient number, since it is larger than the sum of its proper divisors (1).

18682613707 is an equidigital number, since it uses as much as digits as its factorization.

18682613707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 18682613707 in words is "eighteen billion, six hundred eighty-two million, six hundred thirteen thousand, seven hundred seven".