67113404431 has 2 divisors, whose sum is σ = 67113404432. Its totient is φ = 67113404430.

The previous prime is 67113404419. The next prime is 67113404473. The reversal of 67113404431 is 13440431176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67113404431 - 2⁹ = 67113403919 is a prime.

It is a super-2 number, since 2×67113404431² (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 (67113404131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33556702215 + 33556702216.

It is an arithmetic number, because the mean of its divisors is an integer number (33556702216).

Almost surely, 2^67113404431 is an apocalyptic number.

67113404431 is a deficient number, since it is larger than the sum of its proper divisors (1).

67113404431 is an equidigital number, since it uses as much as digits as its factorization.

67113404431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 67113404431 in words is "sixty-seven billion, one hundred thirteen million, four hundred four thousand, four hundred thirty-one".