67813134919 has 2 divisors, whose sum is σ = 67813134920. Its totient is φ = 67813134918.

The previous prime is 67813134871. The next prime is 67813134923. The reversal of 67813134919 is 91943131876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67813134919 - 2⁷ = 67813134791 is a prime.

It is a super-2 number, since 2×67813134919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67813134619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33906567459 + 33906567460.

It is an arithmetic number, because the mean of its divisors is an integer number (33906567460).

Almost surely, 2^67813134919 is an apocalyptic number.

67813134919 is a deficient number, since it is larger than the sum of its proper divisors (1).

67813134919 is an equidigital number, since it uses as much as digits as its factorization.

67813134919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The spelling of 67813134919 in words is "sixty-seven billion, eight hundred thirteen million, one hundred thirty-four thousand, nine hundred nineteen".