67426232412629 has 2 divisors, whose sum is σ = 67426232412630. Its totient is φ = 67426232412628.

The previous prime is 67426232412589. The next prime is 67426232412641. The reversal of 67426232412629 is 92621423262476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61015704675025 + 6410527737604 = 7811255^2 + 2531902^2 .

It is a cyclic number.

It is not a de Polignac number, because 67426232412629 - 2⁸ = 67426232412373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67426232412229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33713116206314 + 33713116206315.

It is an arithmetic number, because the mean of its divisors is an integer number (33713116206315).

Almost surely, 2^{67426232412629} is an apocalyptic number.

It is an amenable number.

67426232412629 is a deficient number, since it is larger than the sum of its proper divisors (1).

67426232412629 is an equidigital number, since it uses as much as digits as its factorization.

67426232412629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 56.

The spelling of 67426232412629 in words is "sixty-seven trillion, four hundred twenty-six billion, two hundred thirty-two million, four hundred twelve thousand, six hundred twenty-nine".