14138491699 has 2 divisors, whose sum is σ = 14138491700. Its totient is φ = 14138491698.

The previous prime is 14138491681. The next prime is 14138491739. The reversal of 14138491699 is 99619483141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14138491699 - 2⁷ = 14138491571 is a prime.

It is not a weakly prime, because it can be changed into another prime (14138491639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069245849 + 7069245850.

It is an arithmetic number, because the mean of its divisors is an integer number (7069245850).

Almost surely, 2^14138491699 is an apocalyptic number.

14138491699 is a deficient number, since it is larger than the sum of its proper divisors (1).

14138491699 is an equidigital number, since it uses as much as digits as its factorization.

14138491699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 55.

The spelling of 14138491699 in words is "fourteen billion, one hundred thirty-eight million, four hundred ninety-one thousand, six hundred ninety-nine".