67113430639 has 2 divisors, whose sum is σ = 67113430640. Its totient is φ = 67113430638.

The previous prime is 67113430627. The next prime is 67113430691. The reversal of 67113430639 is 93603431176.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67113430639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67113430595 and 67113430604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67113430609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33556715319 + 33556715320.

It is an arithmetic number, because the mean of its divisors is an integer number (33556715320).

Almost surely, 2^67113430639 is an apocalyptic number.

67113430639 is a deficient number, since it is larger than the sum of its proper divisors (1).

67113430639 is an equidigital number, since it uses as much as digits as its factorization.

67113430639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 67113430639 in words is "sixty-seven billion, one hundred thirteen million, four hundred thirty thousand, six hundred thirty-nine".