71142629943 has 24 divisors (see below), whose sum is σ = 120374916480. Its totient is φ = 36957209520.

The previous prime is 71142629893. The next prime is 71142629951. The reversal of 71142629943 is 34992624117.

It is not a de Polignac number, because 71142629943 - 2³⁰ = 70068888119 is a prime.

It is a super-2 number, since 2×71142629943² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71142629892 and 71142629901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71142629963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21996723 + ... + 21999956.

It is an arithmetic number, because the mean of its divisors is an integer number (5015621520).

Almost surely, 2^71142629943 is an apocalyptic number.

71142629943 is a deficient number, since it is larger than the sum of its proper divisors (49232286537).

71142629943 is a wasteful number, since it uses less digits than its factorization.

71142629943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43996707 (or 43996700 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The spelling of 71142629943 in words is "seventy-one billion, one hundred forty-two million, six hundred twenty-nine thousand, nine hundred forty-three".