1268858909351 has 8 divisors (see below), whose sum is σ = 1384226677008. Its totient is φ = 1153493968000.

The previous prime is 1268858909323. The next prime is 1268858909377. The reversal of 1268858909351 is 1539098588621.

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

It is not a de Polignac number, because 1268858909351 - 2⁶ = 1268858909287 is a prime.

It is a super-2 number, since 2×1268858909351² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268858909051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293711 + ... + 1619871.

It is an arithmetic number, because the mean of its divisors is an integer number (173028334626).

Almost surely, 2^{1268858909351} is an apocalyptic number.

1268858909351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1268858909351 is a deficient number, since it is larger than the sum of its proper divisors (115367767657).

1268858909351 is a wasteful number, since it uses less digits than its factorization.

1268858909351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413153.

The product of its (nonzero) digits is 37324800, while the sum is 65.

The spelling of 1268858909351 in words is "one trillion, two hundred sixty-eight billion, eight hundred fifty-eight million, nine hundred nine thousand, three hundred fifty-one".