67750406841631 has 2 divisors, whose sum is σ = 67750406841632. Its totient is φ = 67750406841630.

The previous prime is 67750406841589. The next prime is 67750406841659. The reversal of 67750406841631 is 13614860405776.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67750406841631 - 2¹⁹ = 67750406317343 is a prime.

It is a super-2 number, since 2×67750406841631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67750406841671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33875203420815 + 33875203420816.

It is an arithmetic number, because the mean of its divisors is an integer number (33875203420816).

Almost surely, 2^{67750406841631} is an apocalyptic number.

67750406841631 is a deficient number, since it is larger than the sum of its proper divisors (1).

67750406841631 is an equidigital number, since it uses as much as digits as its factorization.

67750406841631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 67750406841631 in words is "sixty-seven trillion, seven hundred fifty billion, four hundred six million, eight hundred forty-one thousand, six hundred thirty-one".