67933906739 has 2 divisors, whose sum is σ = 67933906740. Its totient is φ = 67933906738.

The previous prime is 67933906709. The next prime is 67933906793. The reversal of 67933906739 is 93760933976.

It is a happy number.

Together with next prime (67933906793) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67933906739 - 2²⁸ = 67665471283 is a prime.

It is a super-2 number, since 2×67933906739² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67933906709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33966953369 + 33966953370.

It is an arithmetic number, because the mean of its divisors is an integer number (33966953370).

Almost surely, 2^67933906739 is an apocalyptic number.

67933906739 is a deficient number, since it is larger than the sum of its proper divisors (1).

67933906739 is an equidigital number, since it uses as much as digits as its factorization.

67933906739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34720812, while the sum is 62.

The spelling of 67933906739 in words is "sixty-seven billion, nine hundred thirty-three million, nine hundred six thousand, seven hundred thirty-nine".