213459888358 has 4 divisors (see below), whose sum is σ = 320189832540. Its totient is φ = 106729944178.

The previous prime is 213459888347. The next prime is 213459888377. The reversal of 213459888358 is 853888954312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213459888358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53364972088 + ... + 53364972091.

It is an arithmetic number, because the mean of its divisors is an integer number (80047458135).

Almost surely, 2^213459888358 is an apocalyptic number.

213459888358 is a deficient number, since it is larger than the sum of its proper divisors (106729944182).

213459888358 is a wasteful number, since it uses less digits than its factorization.

213459888358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106729944181.

The product of its digits is 66355200, while the sum is 64.

The spelling of 213459888358 in words is "two hundred thirteen billion, four hundred fifty-nine million, eight hundred eighty-eight thousand, three hundred fifty-eight".