671190789481 has 8 divisors (see below), whose sum is σ = 672564682944. Its totient is φ = 669817053840.

The previous prime is 671190789403. The next prime is 671190789523. The reversal of 671190789481 is 184987091176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671190789481 - 2¹¹ = 671190787433 is a prime.

It is a super-2 number, since 2×671190789481² (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 (671190799481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12533695 + ... + 12587131.

It is an arithmetic number, because the mean of its divisors is an integer number (84070585368).

Almost surely, 2^671190789481 is an apocalyptic number.

It is an amenable number.

671190789481 is a deficient number, since it is larger than the sum of its proper divisors (1373893463).

671190789481 is a wasteful number, since it uses less digits than its factorization.

671190789481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78911.

The product of its (nonzero) digits is 6096384, while the sum is 61.

The spelling of 671190789481 in words is "six hundred seventy-one billion, one hundred ninety million, seven hundred eighty-nine thousand, four hundred eighty-one".