2449273878129 has 48 divisors (see below), whose sum is σ = 3597794815680. Its totient is φ = 1481054065920.

The previous prime is 2449273878097. The next prime is 2449273878151. The reversal of 2449273878129 is 9218783729442.

It is not a de Polignac number, because 2449273878129 - 2⁵ = 2449273878097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2449273878129.

It is not an unprimeable number, because it can be changed into a prime (2449273878169) 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 in 47 ways as a sum of consecutive naturals, for example, 31289962 + ... + 31368140.

It is an arithmetic number, because the mean of its divisors is an integer number (74954058660).

Almost surely, 2^{2449273878129} is an apocalyptic number.

It is an amenable number.

2449273878129 is a deficient number, since it is larger than the sum of its proper divisors (1148520937551).

2449273878129 is a wasteful number, since it uses less digits than its factorization.

2449273878129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79282 (or 79269 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 66.

The spelling of 2449273878129 in words is "two trillion, four hundred forty-nine billion, two hundred seventy-three million, eight hundred seventy-eight thousand, one hundred twenty-nine".