2445512639 has 2 divisors, whose sum is σ = 2445512640. Its totient is φ = 2445512638.

The previous prime is 2445512633. The next prime is 2445512681. The reversal of 2445512639 is 9362155442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2445512639 - 2¹² = 2445508543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2445512596 and 2445512605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2445512633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222756319 + 1222756320.

It is an arithmetic number, because the mean of its divisors is an integer number (1222756320).

Almost surely, 2^2445512639 is an apocalyptic number.

2445512639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445512639 is an equidigital number, since it uses as much as digits as its factorization.

2445512639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 41.

The square root of 2445512639 is about 49452.1247167399. The cubic root of 2445512639 is about 1347.2761978713.

The spelling of 2445512639 in words is "two billion, four hundred forty-five million, five hundred twelve thousand, six hundred thirty-nine".