67764834041 has 2 divisors, whose sum is σ = 67764834042. Its totient is φ = 67764834040.

The previous prime is 67764834001. The next prime is 67764834101. The reversal of 67764834041 is 14043846776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67342326016 + 422508025 = 259504^2 + 20555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67764834041 is a prime.

It is not a weakly prime, because it can be changed into another prime (67764834001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33882417020 + 33882417021.

It is an arithmetic number, because the mean of its divisors is an integer number (33882417021).

Almost surely, 2^67764834041 is an apocalyptic number.

It is an amenable number.

67764834041 is a deficient number, since it is larger than the sum of its proper divisors (1).

67764834041 is an equidigital number, since it uses as much as digits as its factorization.

67764834041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 67764834041 in words is "sixty-seven billion, seven hundred sixty-four million, eight hundred thirty-four thousand, forty-one".