71097147813 has 8 divisors (see below), whose sum is σ = 95716548928. Its totient is φ = 46937922624.

The previous prime is 71097147791. The next prime is 71097147833. The reversal of 71097147813 is 31874179017.

It is a happy number.

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

It is not a de Polignac number, because 71097147813 - 2¹² = 71097143717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71097147833) 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, 115043620 + ... + 115044237.

It is an arithmetic number, because the mean of its divisors is an integer number (11964568616).

Almost surely, 2^71097147813 is an apocalyptic number.

It is an amenable number.

71097147813 is a deficient number, since it is larger than the sum of its proper divisors (24619401115).

71097147813 is a wasteful number, since it uses less digits than its factorization.

71097147813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230087963.

The product of its (nonzero) digits is 296352, while the sum is 48.

The spelling of 71097147813 in words is "seventy-one billion, ninety-seven million, one hundred forty-seven thousand, eight hundred thirteen".