2451443404449 has 32 divisors (see below), whose sum is σ = 3616586951040. Its totient is φ = 1467722483712.

The previous prime is 2451443404409. The next prime is 2451443404477. The reversal of 2451443404449 is 9444043441542.

2451443404449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2451443404449 - 2¹² = 2451443400353 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2451443404398 and 2451443404407.

It is not an unprimeable number, because it can be changed into a prime (2451443404409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5268462 + ... + 5714855.

It is an arithmetic number, because the mean of its divisors is an integer number (113018342220).

Almost surely, 2^{2451443404449} is an apocalyptic number.

It is an amenable number.

2451443404449 is a deficient number, since it is larger than the sum of its proper divisors (1165143546591).

2451443404449 is a wasteful number, since it uses less digits than its factorization.

2451443404449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10983489.

The product of its (nonzero) digits is 4423680, while the sum is 48.

The spelling of 2451443404449 in words is "two trillion, four hundred fifty-one billion, four hundred forty-three million, four hundred four thousand, four hundred forty-nine".