1288249484499 has 6 divisors (see below), whose sum is σ = 1860804810956. Its totient is φ = 858832989660.

The previous prime is 1288249484471. The next prime is 1288249484521. The reversal of 1288249484499 is 9944849428821.

1288249484499 is a `hidden beast` number, since 1 + 2 + 8 + 8 + 2 + 494 + 8 + 44 + 99 = 666.

It is not a de Polignac number, because 1288249484499 - 2²⁴ = 1288232707283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1288249484449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71569415797 + ... + 71569415814.

Almost surely, 2^{1288249484499} is an apocalyptic number.

1288249484499 is a deficient number, since it is larger than the sum of its proper divisors (572555326457).

1288249484499 is a wasteful number, since it uses less digits than its factorization.

1288249484499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143138831617 (or 143138831614 counting only the distinct ones).

The product of its digits is 382205952, while the sum is 72.

The spelling of 1288249484499 in words is "one trillion, two hundred eighty-eight billion, two hundred forty-nine million, four hundred eighty-four thousand, four hundred ninety-nine".