2439914639 has 2 divisors, whose sum is σ = 2439914640. Its totient is φ = 2439914638.

The previous prime is 2439914599. The next prime is 2439914651. The reversal of 2439914639 is 9364199342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2439914639 - 2¹⁶ = 2439849103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2439914689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219957319 + 1219957320.

It is an arithmetic number, because the mean of its divisors is an integer number (1219957320).

Almost surely, 2^2439914639 is an apocalyptic number.

2439914639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2439914639 is an equidigital number, since it uses as much as digits as its factorization.

2439914639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 50.

The square root of 2439914639 is about 49395.4920918903. The cubic root of 2439914639 is about 1346.2474000399.

The spelling of 2439914639 in words is "two billion, four hundred thirty-nine million, nine hundred fourteen thousand, six hundred thirty-nine".