634073540767 has 2 divisors, whose sum is σ = 634073540768. Its totient is φ = 634073540766.

The previous prime is 634073540743. The next prime is 634073540777. The reversal of 634073540767 is 767045370436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634073540767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634073540717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317036770383 + 317036770384.

It is an arithmetic number, because the mean of its divisors is an integer number (317036770384).

Almost surely, 2^634073540767 is an apocalyptic number.

634073540767 is a deficient number, since it is larger than the sum of its proper divisors (1).

634073540767 is an equidigital number, since it uses as much as digits as its factorization.

634073540767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 52.

The spelling of 634073540767 in words is "six hundred thirty-four billion, seventy-three million, five hundred forty thousand, seven hundred sixty-seven".