2402425639 has 2 divisors, whose sum is σ = 2402425640. Its totient is φ = 2402425638.

The previous prime is 2402425603. The next prime is 2402425643. The reversal of 2402425639 is 9365242042.

2402425639 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 2402425639 - 2¹⁹ = 2401901351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2402425598 and 2402425607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2402425139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201212819 + 1201212820.

It is an arithmetic number, because the mean of its divisors is an integer number (1201212820).

Almost surely, 2^2402425639 is an apocalyptic number.

2402425639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402425639 is an equidigital number, since it uses as much as digits as its factorization.

2402425639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2402425639 is about 49014.5451779367. The cubic root of 2402425639 is about 1339.3168045890.

The spelling of 2402425639 in words is "two billion, four hundred two million, four hundred twenty-five thousand, six hundred thirty-nine".