2439466849 has 4 divisors (see below), whose sum is σ = 2518159360. Its totient is φ = 2360774340.

The previous prime is 2439466807. The next prime is 2439466993. The reversal of 2439466849 is 9486649342.

2439466849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9486649342 = 2 ⋅4743324671.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2439466849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2439466849.

It is not an unprimeable number, because it can be changed into a prime (2439466649) 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, 39346209 + ... + 39346270.

It is an arithmetic number, because the mean of its divisors is an integer number (629539840).

Almost surely, 2^2439466849 is an apocalyptic number.

It is an amenable number.

2439466849 is a deficient number, since it is larger than the sum of its proper divisors (78692511).

2439466849 is an equidigital number, since it uses as much as digits as its factorization.

2439466849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78692510.

The product of its digits is 8957952, while the sum is 55.

The square root of 2439466849 is about 49390.9591828302. The cubic root of 2439466849 is about 1346.1650374582.

The spelling of 2439466849 in words is "two billion, four hundred thirty-nine million, four hundred sixty-six thousand, eight hundred forty-nine".