671341261733 has 4 divisors (see below), whose sum is σ = 671992418208. Its totient is φ = 670690105260.

The previous prime is 671341261697. The next prime is 671341261741. The reversal of 671341261733 is 337162143176.

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 not a de Polignac number, because 671341261733 - 2¹⁴ = 671341245349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671341261783) 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, 325576691 + ... + 325578752.

It is an arithmetic number, because the mean of its divisors is an integer number (167998104552).

Almost surely, 2^671341261733 is an apocalyptic number.

It is an amenable number.

671341261733 is a deficient number, since it is larger than the sum of its proper divisors (651156475).

671341261733 is a wasteful number, since it uses less digits than its factorization.

671341261733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651156474.

The product of its digits is 381024, while the sum is 44.

The spelling of 671341261733 in words is "six hundred seventy-one billion, three hundred forty-one million, two hundred sixty-one thousand, seven hundred thirty-three".