67946421711 has 16 divisors (see below), whose sum is σ = 107107660800. Its totient is φ = 37487680608.

The previous prime is 67946421679. The next prime is 67946421713. The reversal of 67946421711 is 11712464976.

It is not a de Polignac number, because 67946421711 - 2⁵ = 67946421679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67946421713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55784631 + ... + 55785848.

It is an arithmetic number, because the mean of its divisors is an integer number (6694228800).

Almost surely, 2^67946421711 is an apocalyptic number.

67946421711 is a deficient number, since it is larger than the sum of its proper divisors (39161239089).

67946421711 is a wasteful number, since it uses less digits than its factorization.

67946421711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111570518.

The product of its digits is 508032, while the sum is 48.

The spelling of 67946421711 in words is "sixty-seven billion, nine hundred forty-six million, four hundred twenty-one thousand, seven hundred eleven".