671084833361 has 8 divisors (see below), whose sum is σ = 713019103560. Its totient is φ = 631609250304.

The previous prime is 671084833357. The next prime is 671084833421. The reversal of 671084833361 is 163338480176.

It can be written as a sum of positive squares in 4 ways, for example, as 353376747025 + 317708086336 = 594455^2 + 563656^2 .

It is not a de Polignac number, because 671084833361 - 2² = 671084833357 is a prime.

It is a super-2 number, since 2×671084833361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671084833561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68291936 + ... + 68301761.

It is an arithmetic number, because the mean of its divisors is an integer number (89127387945).

Almost surely, 2^671084833361 is an apocalyptic number.

It is an amenable number.

671084833361 is a deficient number, since it is larger than the sum of its proper divisors (41934270199).

671084833361 is an equidigital number, since it uses as much as digits as its factorization.

671084833361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136593748 (or 136593714 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 671084833361 in words is "six hundred seventy-one billion, eighty-four million, eight hundred thirty-three thousand, three hundred sixty-one".