671536233789 has 16 divisors (see below), whose sum is σ = 897375561984. Its totient is φ = 446694393600.

The previous prime is 671536233787. The next prime is 671536233827. The reversal of 671536233789 is 987332635176.

It is not a de Polignac number, because 671536233789 - 2¹ = 671536233787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671536233787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5160849 + ... + 5289369.

It is an arithmetic number, because the mean of its divisors is an integer number (56085972624).

Almost surely, 2^671536233789 is an apocalyptic number.

It is an amenable number.

671536233789 is a deficient number, since it is larger than the sum of its proper divisors (225839328195).

671536233789 is a wasteful number, since it uses less digits than its factorization.

671536233789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132388.

The product of its digits is 34292160, while the sum is 60.

The spelling of 671536233789 in words is "six hundred seventy-one billion, five hundred thirty-six million, two hundred thirty-three thousand, seven hundred eighty-nine".