13858718707 has 2 divisors, whose sum is σ = 13858718708. Its totient is φ = 13858718706.

The previous prime is 13858718681. The next prime is 13858718711. The reversal of 13858718707 is 70781785831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13858718707 is a prime.

It is not a weakly prime, because it can be changed into another prime (13858718717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6929359353 + 6929359354.

It is an arithmetic number, because the mean of its divisors is an integer number (6929359354).

Almost surely, 2^13858718707 is an apocalyptic number.

13858718707 is a deficient number, since it is larger than the sum of its proper divisors (1).

13858718707 is an equidigital number, since it uses as much as digits as its factorization.

13858718707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2634240, while the sum is 55.

The spelling of 13858718707 in words is "thirteen billion, eight hundred fifty-eight million, seven hundred eighteen thousand, seven hundred seven".