213874676617 has 4 divisors (see below), whose sum is σ = 244428201856. Its totient is φ = 183321151380.

The previous prime is 213874676599. The next prime is 213874676633. The reversal of 213874676617 is 716676478312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213874676617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213874676657) 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, 15276762609 + ... + 15276762622.

It is an arithmetic number, because the mean of its divisors is an integer number (61107050464).

Almost surely, 2^213874676617 is an apocalyptic number.

It is an amenable number.

213874676617 is a deficient number, since it is larger than the sum of its proper divisors (30553525239).

213874676617 is an equidigital number, since it uses as much as digits as its factorization.

213874676617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30553525238.

The product of its digits is 14224896, while the sum is 58.

The spelling of 213874676617 in words is "two hundred thirteen billion, eight hundred seventy-four million, six hundred seventy-six thousand, six hundred seventeen".