1288452012449 has 8 divisors (see below), whose sum is σ = 1472621809920. Its totient is φ = 1104308521056.

The previous prime is 1288452012443. The next prime is 1288452012461. The reversal of 1288452012449 is 9442102548821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1288452012449 - 2⁸ = 1288452012193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1288452012397 and 1288452012406.

It is not an unprimeable number, because it can be changed into a prime (1288452012443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6471449 + ... + 6667574.

It is an arithmetic number, because the mean of its divisors is an integer number (184077726240).

Almost surely, 2^{1288452012449} is an apocalyptic number.

It is an amenable number.

1288452012449 is a deficient number, since it is larger than the sum of its proper divisors (184169797471).

1288452012449 is a wasteful number, since it uses less digits than its factorization.

1288452012449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153039.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 1288452012449 in words is "one trillion, two hundred eighty-eight billion, four hundred fifty-two million, twelve thousand, four hundred forty-nine".