71429942268 has 18 divisors (see below), whose sum is σ = 180559020824. Its totient is φ = 23809980744.

The previous prime is 71429942267. The next prime is 71429942273. The reversal of 71429942268 is 86224992417.

It is a happy number.

71429942268 is a `hidden beast` number, since 71 + 4 + 2 + 99 + 422 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71429942261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 992082496 + ... + 992082567.

Almost surely, 2^71429942268 is an apocalyptic number.

It is an amenable number.

71429942268 is an abundant number, since it is smaller than the sum of its proper divisors (109129078556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71429942268 is a wasteful number, since it uses less digits than its factorization.

71429942268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984165073 (or 1984165068 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 71429942268 in words is "seventy-one billion, four hundred twenty-nine million, nine hundred forty-two thousand, two hundred sixty-eight".