71429294293 has 32 divisors (see below), whose sum is σ = 87159250944. Its totient is φ = 57209023872.

The previous prime is 71429294263. The next prime is 71429294311. The reversal of 71429294293 is 39249292417.

It is a de Polignac number, because none of the positive numbers 2^k-71429294293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71429294293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71429294263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4130521 + ... + 4147777.

It is an arithmetic number, because the mean of its divisors is an integer number (2723726592).

Almost surely, 2^71429294293 is an apocalyptic number.

It is an amenable number.

71429294293 is a deficient number, since it is larger than the sum of its proper divisors (15729956651).

71429294293 is a wasteful number, since it uses less digits than its factorization.

71429294293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17881.

The product of its digits is 1959552, while the sum is 52.

The spelling of 71429294293 in words is "seventy-one billion, four hundred twenty-nine million, two hundred ninety-four thousand, two hundred ninety-three".