213713498791 has 8 divisors (see below), whose sum is σ = 230275642464. Its totient is φ = 197168875680.

The previous prime is 213713498749. The next prime is 213713498807. The reversal of 213713498791 is 197894317312.

It is a happy number.

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 213713498791 - 2²⁷ = 213579281063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213713498291) 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 7 ways as a sum of consecutive naturals, for example, 4354795 + ... + 4403596.

It is an arithmetic number, because the mean of its divisors is an integer number (28784455308).

Almost surely, 2^213713498791 is an apocalyptic number.

213713498791 is a deficient number, since it is larger than the sum of its proper divisors (16562143673).

213713498791 is a wasteful number, since it uses less digits than its factorization.

213713498791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760281.

The product of its digits is 2286144, while the sum is 55.

The spelling of 213713498791 in words is "two hundred thirteen billion, seven hundred thirteen million, four hundred ninety-eight thousand, seven hundred ninety-one".