67716348919 has 2 divisors, whose sum is σ = 67716348920. Its totient is φ = 67716348918.

The previous prime is 67716348899. The next prime is 67716348929. The reversal of 67716348919 is 91984361776.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67716348919 is a prime.

It is a super-2 number, since 2×67716348919² (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 (67716348929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33858174459 + 33858174460.

It is an arithmetic number, because the mean of its divisors is an integer number (33858174460).

Almost surely, 2^67716348919 is an apocalyptic number.

67716348919 is a deficient number, since it is larger than the sum of its proper divisors (1).

67716348919 is an equidigital number, since it uses as much as digits as its factorization.

67716348919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 61.

The spelling of 67716348919 in words is "sixty-seven billion, seven hundred sixteen million, three hundred forty-eight thousand, nine hundred nineteen".