71451415417 has 4 divisors (see below), whose sum is σ = 74557998720. Its totient is φ = 68344832116.

The previous prime is 71451415397. The next prime is 71451415423.

71451415417 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71451415417 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 71451415417.

It is not an unprimeable number, because it can be changed into a prime (71451415117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1553291617 + ... + 1553291662.

It is an arithmetic number, because the mean of its divisors is an integer number (18639499680).

Almost surely, 2^71451415417 is an apocalyptic number.

It is an amenable number.

71451415417 is a deficient number, since it is larger than the sum of its proper divisors (3106583303).

71451415417 is a wasteful number, since it uses less digits than its factorization.

71451415417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106583302.

The product of its digits is 78400, while the sum is 40.

The spelling of 71451415417 in words is "seventy-one billion, four hundred fifty-one million, four hundred fifteen thousand, four hundred seventeen".