2446669139 has 2 divisors, whose sum is σ = 2446669140. Its totient is φ = 2446669138.

The previous prime is 2446669123. The next prime is 2446669151. The reversal of 2446669139 is 9319666442.

2446669139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2446669139 - 2⁴ = 2446669123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2446669039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223334569 + 1223334570.

It is an arithmetic number, because the mean of its divisors is an integer number (1223334570).

Almost surely, 2^2446669139 is an apocalyptic number.

2446669139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2446669139 is an equidigital number, since it uses as much as digits as its factorization.

2446669139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 50.

The square root of 2446669139 is about 49463.8164621372. The cubic root of 2446669139 is about 1347.4885431749.

The spelling of 2446669139 in words is "two billion, four hundred forty-six million, six hundred sixty-nine thousand, one hundred thirty-nine".