2447068839 has 4 divisors (see below), whose sum is σ = 3262758456. Its totient is φ = 1631379224.

The previous prime is 2447068801. The next prime is 2447068847. The reversal of 2447068839 is 9388607442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2447068839 - 2¹² = 2447064743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2447068791 and 2447068800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447064839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407844804 + ... + 407844809.

It is an arithmetic number, because the mean of its divisors is an integer number (815689614).

Almost surely, 2^2447068839 is an apocalyptic number.

2447068839 is a deficient number, since it is larger than the sum of its proper divisors (815689617).

2447068839 is an equidigital number, since it uses as much as digits as its factorization.

2447068839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815689616.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 2447068839 is about 49467.8566242767. The cubic root of 2447068839 is about 1347.5619166490.

The spelling of 2447068839 in words is "two billion, four hundred forty-seven million, sixty-eight thousand, eight hundred thirty-nine".