71451216233 has 8 divisors (see below), whose sum is σ = 74022370560. Its totient is φ = 68896704240.

The previous prime is 71451216229. The next prime is 71451216301. The reversal of 71451216233 is 33261215417.

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

It is a cyclic number.

It is not a de Polignac number, because 71451216233 - 2² = 71451216229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71451216193 and 71451216202.

It is not an unprimeable number, because it can be changed into a prime (71451216203) 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, 4151843 + ... + 4169016.

It is an arithmetic number, because the mean of its divisors is an integer number (9252796320).

Almost surely, 2^71451216233 is an apocalyptic number.

It is an amenable number.

71451216233 is a deficient number, since it is larger than the sum of its proper divisors (2571154327).

71451216233 is a wasteful number, since it uses less digits than its factorization.

71451216233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321167.

The product of its digits is 30240, while the sum is 35.

The spelling of 71451216233 in words is "seventy-one billion, four hundred fifty-one million, two hundred sixteen thousand, two hundred thirty-three".