71168429381 has 8 divisors (see below), whose sum is σ = 81372218880. Its totient is φ = 60973857648.

The previous prime is 71168429377. The next prime is 71168429393. The reversal of 71168429381 is 18392486117.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71168429381 - 2² = 71168429377 is a prime.

It is a super-2 number, since 2×71168429381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71162429381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287886 + ... + 2318783.

It is an arithmetic number, because the mean of its divisors is an integer number (10171527360).

Almost surely, 2^71168429381 is an apocalyptic number.

It is an amenable number.

71168429381 is a deficient number, since it is larger than the sum of its proper divisors (10203789499).

71168429381 is a wasteful number, since it uses less digits than its factorization.

71168429381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608883.

The product of its digits is 580608, while the sum is 50.

The spelling of 71168429381 in words is "seventy-one billion, one hundred sixty-eight million, four hundred twenty-nine thousand, three hundred eighty-one".