1268697730458 has 24 divisors (see below), whose sum is σ = 2627908983648. Its totient is φ = 408316509328.

The previous prime is 1268697730453. The next prime is 1268697730507. The reversal of 1268697730458 is 8540377968621.

It is not an unprimeable number, because it can be changed into a prime (1268697730453) 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 11 ways as a sum of consecutive naturals, for example, 125708166 + ... + 125718257.

It is an arithmetic number, because the mean of its divisors is an integer number (109496207652).

It is a 1-persistent number, because it is pandigital, but 2⋅1268697730458 = 2537395460916 is not.

Almost surely, 2^{1268697730458} is an apocalyptic number.

1268697730458 is an abundant number, since it is smaller than the sum of its proper divisors (1359211253190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268697730458 is a wasteful number, since it uses less digits than its factorization.

1268697730458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251426486 (or 251426457 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 1268697730458 in words is "one trillion, two hundred sixty-eight billion, six hundred ninety-seven million, seven hundred thirty thousand, four hundred fifty-eight".