671150840743 has 4 divisors (see below), whose sum is σ = 671175798048. Its totient is φ = 671125883440.

The previous prime is 671150840693. The next prime is 671150840749. The reversal of 671150840743 is 347048051176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671150840743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671150840693 and 671150840702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671150840749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12438271 + ... + 12492112.

It is an arithmetic number, because the mean of its divisors is an integer number (167793949512).

Almost surely, 2^671150840743 is an apocalyptic number.

671150840743 is a deficient number, since it is larger than the sum of its proper divisors (24957305).

671150840743 is a wasteful number, since it uses less digits than its factorization.

671150840743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24957304.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 671150840743 in words is "six hundred seventy-one billion, one hundred fifty million, eight hundred forty thousand, seven hundred forty-three".