1268468319 has 8 divisors (see below), whose sum is σ = 1712700160. Its totient is φ = 834941016.

The previous prime is 1268468293. The next prime is 1268468353. The reversal of 1268468319 is 9138648621.

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

It is not a de Polignac number, because 1268468319 - 2⁵ = 1268468287 is a prime.

It is a super-2 number, since 2×1268468319² = 3218023752613371522, which 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 (1268468359) 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, 2675857 + ... + 2676330.

It is an arithmetic number, because the mean of its divisors is an integer number (214087520).

Almost surely, 2^1268468319 is an apocalyptic number.

1268468319 is a deficient number, since it is larger than the sum of its proper divisors (444231841).

1268468319 is an equidigital number, since it uses as much as digits as its factorization.

1268468319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352269.

The product of its digits is 497664, while the sum is 48.

The square root of 1268468319 is about 35615.5628763607. The cubic root of 1268468319 is about 1082.4966016389.

It can be divided in two parts, 12684 and 68319, that added together give a triangular number (81003 = T₄₀₂).

The spelling of 1268468319 in words is "one billion, two hundred sixty-eight million, four hundred sixty-eight thousand, three hundred nineteen".