1268911482489 has 24 divisors (see below), whose sum is σ = 2094745890432. Its totient is φ = 725080204800.

The previous prime is 1268911482467. The next prime is 1268911482491. The reversal of 1268911482489 is 9842841198621.

1268911482489 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 9 + 1 + 148 + 2 + 489 = 666.

It is not a de Polignac number, because 1268911482489 - 2⁷ = 1268911482361 is a prime.

It is a super-2 number, since 2×1268911482489² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1268911482089) 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 23 ways as a sum of consecutive naturals, for example, 4810812 + ... + 5067714.

It is an arithmetic number, because the mean of its divisors is an integer number (87281078768).

Almost surely, 2^{1268911482489} is an apocalyptic number.

It is an amenable number.

1268911482489 is a deficient number, since it is larger than the sum of its proper divisors (825834407943).

1268911482489 is a wasteful number, since it uses less digits than its factorization.

1268911482489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335317 (or 335314 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 63.

The spelling of 1268911482489 in words is "one trillion, two hundred sixty-eight billion, nine hundred eleven million, four hundred eighty-two thousand, four hundred eighty-nine".