67347340019 has 2 divisors, whose sum is σ = 67347340020. Its totient is φ = 67347340018.

The previous prime is 67347339929. The next prime is 67347340033. The reversal of 67347340019 is 91004374376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67347340019 - 2¹⁶ = 67347274483 is a prime.

It is a super-2 number, since 2×67347340019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67347340919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33673670009 + 33673670010.

It is an arithmetic number, because the mean of its divisors is an integer number (33673670010).

Almost surely, 2^67347340019 is an apocalyptic number.

67347340019 is a deficient number, since it is larger than the sum of its proper divisors (1).

67347340019 is an equidigital number, since it uses as much as digits as its factorization.

67347340019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 67347340019 in words is "sixty-seven billion, three hundred forty-seven million, three hundred forty thousand, nineteen".