4139699 has 2 divisors, whose sum is σ = 4139700. Its totient is φ = 4139698.

The previous prime is 4139677. The next prime is 4139741. The reversal of 4139699 is 9969314.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4139699 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (4139659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069849 + 2069850.

It is an arithmetic number, because the mean of its divisors is an integer number (2069850).

Almost surely, 2^4139699 is an apocalyptic number.

4139699 is a deficient number, since it is larger than the sum of its proper divisors (1).

4139699 is an equidigital number, since it uses as much as digits as its factorization.

4139699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 4139699 is about 2034.6250268784. The cubic root of 4139699 is about 160.5669858168.

The spelling of 4139699 in words is "four million, one hundred thirty-nine thousand, six hundred ninety-nine".