67389898399 has 2 divisors, whose sum is σ = 67389898400. Its totient is φ = 67389898398.

The previous prime is 67389898357. The next prime is 67389898423. The reversal of 67389898399 is 99389898376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67389898399 - 2¹¹ = 67389896351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67389898309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33694949199 + 33694949200.

It is an arithmetic number, because the mean of its divisors is an integer number (33694949200).

Almost surely, 2^67389898399 is an apocalyptic number.

67389898399 is a deficient number, since it is larger than the sum of its proper divisors (1).

67389898399 is an equidigital number, since it uses as much as digits as its factorization.

67389898399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1269789696, while the sum is 79.

The spelling of 67389898399 in words is "sixty-seven billion, three hundred eighty-nine million, eight hundred ninety-eight thousand, three hundred ninety-nine".