671000234899 has 4 divisors (see below), whose sum is σ = 671649800536. Its totient is φ = 670350669264.

The previous prime is 671000234881. The next prime is 671000234909. The reversal of 671000234899 is 998432000176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 671000234899 - 2¹⁷ = 671000103827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671000274899) 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, 324781269 + ... + 324783334.

It is an arithmetic number, because the mean of its divisors is an integer number (167912450134).

Almost surely, 2^671000234899 is an apocalyptic number.

671000234899 is a deficient number, since it is larger than the sum of its proper divisors (649565637).

671000234899 is a wasteful number, since it uses less digits than its factorization.

671000234899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649565636.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 671000234899 in words is "six hundred seventy-one billion, two hundred thirty-four thousand, eight hundred ninety-nine".