671276621313 has 12 divisors (see below), whose sum is σ = 973199730048. Its totient is φ = 445866388920.

The previous prime is 671276621303. The next prime is 671276621333. The reversal of 671276621313 is 313126672176.

671276621313 is a `hidden beast` number, since 6 + 7 + 1 + 2 + 7 + 6 + 621 + 3 + 13 = 666.

It is not a de Polignac number, because 671276621313 - 2²⁵ = 671243066881 is a prime.

It is a super-3 number, since 3×671276621313³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (671276621303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137610645 + ... + 137615522.

It is an arithmetic number, because the mean of its divisors is an integer number (81099977504).

Almost surely, 2^671276621313 is an apocalyptic number.

It is an amenable number.

671276621313 is a deficient number, since it is larger than the sum of its proper divisors (301923108735).

671276621313 is a wasteful number, since it uses less digits than its factorization.

671276621313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275226444 (or 275226441 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The spelling of 671276621313 in words is "six hundred seventy-one billion, two hundred seventy-six million, six hundred twenty-one thousand, three hundred thirteen".