67354469085377 has 2 divisors, whose sum is σ = 67354469085378. Its totient is φ = 67354469085376.

The previous prime is 67354469085373. The next prime is 67354469085419. The reversal of 67354469085377 is 77358096445376.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47746496893456 + 19607972191921 = 6909884^2 + 4428089^2 .

It is a cyclic number.

It is not a de Polignac number, because 67354469085377 - 2² = 67354469085373 is a prime.

It is not a weakly prime, because it can be changed into another prime (67354469085373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33677234542688 + 33677234542689.

It is an arithmetic number, because the mean of its divisors is an integer number (33677234542689).

Almost surely, 2^{67354469085377} is an apocalyptic number.

It is an amenable number.

67354469085377 is a deficient number, since it is larger than the sum of its proper divisors (1).

67354469085377 is an equidigital number, since it uses as much as digits as its factorization.

67354469085377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200601600, while the sum is 74.

The spelling of 67354469085377 in words is "sixty-seven trillion, three hundred fifty-four billion, four hundred sixty-nine million, eighty-five thousand, three hundred seventy-seven".