1268473319 has 2 divisors, whose sum is σ = 1268473320. Its totient is φ = 1268473318.

The previous prime is 1268473303. The next prime is 1268473351. The reversal of 1268473319 is 9133748621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1268473319 - 2⁴ = 1268473303 is a prime.

It is a super-2 number, since 2×1268473319² = 3218049122029751522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1268473319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1268473399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634236659 + 634236660.

It is an arithmetic number, because the mean of its divisors is an integer number (634236660).

Almost surely, 2^1268473319 is an apocalyptic number.

1268473319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268473319 is an equidigital number, since it uses as much as digits as its factorization.

1268473319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 1268473319 is about 35615.6330703246. The cubic root of 1268473319 is about 1082.4980239516.

The spelling of 1268473319 in words is "one billion, two hundred sixty-eight million, four hundred seventy-three thousand, three hundred nineteen".