2348781439 has 2 divisors, whose sum is σ = 2348781440. Its totient is φ = 2348781438.

The previous prime is 2348781437. The next prime is 2348781499. The reversal of 2348781439 is 9341878432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2348781439 - 2¹ = 2348781437 is a prime.

Together with 2348781437, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2348781392 and 2348781401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2348781437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1174390719 + 1174390720.

It is an arithmetic number, because the mean of its divisors is an integer number (1174390720).

Almost surely, 2^2348781439 is an apocalyptic number.

2348781439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2348781439 is an equidigital number, since it uses as much as digits as its factorization.

2348781439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 2348781439 is about 48464.2284473817. The cubic root of 2348781439 is about 1329.2730568684.

The spelling of 2348781439 in words is "two billion, three hundred forty-eight million, seven hundred eighty-one thousand, four hundred thirty-nine".