71452623865 has 16 divisors (see below), whose sum is σ = 98859362688. Its totient is φ = 48562488576.

The previous prime is 71452623859. The next prime is 71452623877. The reversal of 71452623865 is 56832625417.

It is not a de Polignac number, because 71452623865 - 2⁵ = 71452623833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9029247 + ... + 9037156.

It is an arithmetic number, because the mean of its divisors is an integer number (6178710168).

Almost surely, 2^71452623865 is an apocalyptic number.

It is an amenable number.

71452623865 is a deficient number, since it is larger than the sum of its proper divisors (27406738823).

71452623865 is a wasteful number, since it uses less digits than its factorization.

71452623865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066528.

The product of its digits is 2419200, while the sum is 49.

The spelling of 71452623865 in words is "seventy-one billion, four hundred fifty-two million, six hundred twenty-three thousand, eight hundred sixty-five".