71002314609 has 4 divisors (see below), whose sum is σ = 94669752816. Its totient is φ = 47334876404.

The previous prime is 71002314583. The next prime is 71002314661. The reversal of 71002314609 is 90641320017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90641320017 = 3 ⋅30213773339.

It is a cyclic number.

It is not a de Polignac number, because 71002314609 - 2⁵ = 71002314577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71002314609.

It is not an unprimeable number, because it can be changed into a prime (71002314809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11833719099 + ... + 11833719104.

It is an arithmetic number, because the mean of its divisors is an integer number (23667438204).

Almost surely, 2^71002314609 is an apocalyptic number.

It is an amenable number.

71002314609 is a deficient number, since it is larger than the sum of its proper divisors (23667438207).

71002314609 is a wasteful number, since it uses less digits than its factorization.

71002314609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23667438206.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 71002314609 in words is "seventy-one billion, two million, three hundred fourteen thousand, six hundred nine".