71651190823 has 8 divisors (see below), whose sum is σ = 71748274176. Its totient is φ = 71554176000.

The previous prime is 71651190773. The next prime is 71651190829. The reversal of 71651190823 is 32809115617.

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 71651190823 - 2²¹ = 71649093671 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 71651190823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71651190829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2278618 + ... + 2309848.

It is an arithmetic number, because the mean of its divisors is an integer number (8968534272).

Almost surely, 2^71651190823 is an apocalyptic number.

71651190823 is a deficient number, since it is larger than the sum of its proper divisors (97083353).

71651190823 is a wasteful number, since it uses less digits than its factorization.

71651190823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34265.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 71651190823 in words is "seventy-one billion, six hundred fifty-one million, one hundred ninety thousand, eight hundred twenty-three".