213254230919 has 4 divisors (see below), whose sum is σ = 213259697496. Its totient is φ = 213248764344.

The previous prime is 213254230913. The next prime is 213254230921. The reversal of 213254230919 is 919032452312.

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 213254230919 - 2²⁴ = 213237453703 is a prime.

It is a super-2 number, since 2×213254230919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213254230913) 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, 2674349 + ... + 2752934.

It is an arithmetic number, because the mean of its divisors is an integer number (53314924374).

Almost surely, 2^213254230919 is an apocalyptic number.

213254230919 is a deficient number, since it is larger than the sum of its proper divisors (5466577).

213254230919 is an equidigital number, since it uses as much as digits as its factorization.

213254230919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466576.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 213254230919 in words is "two hundred thirteen billion, two hundred fifty-four million, two hundred thirty thousand, nine hundred nineteen".