671813004611 has 8 divisors (see below), whose sum is σ = 767825666400. Its totient is φ = 575810186688.

The previous prime is 671813004601. The next prime is 671813004637. The reversal of 671813004611 is 116400318176.

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 671813004611 - 2³⁸ = 396935097667 is a prime.

It is a super-2 number, since 2×671813004611² (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 (671813004601) 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, 2314136 + ... + 2588213.

It is an arithmetic number, because the mean of its divisors is an integer number (95978208300).

Almost surely, 2^671813004611 is an apocalyptic number.

671813004611 is a deficient number, since it is larger than the sum of its proper divisors (96012661789).

671813004611 is a wasteful number, since it uses less digits than its factorization.

671813004611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921933.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 671813004611 in words is "six hundred seventy-one billion, eight hundred thirteen million, four thousand, six hundred eleven".