213017864734 has 8 divisors (see below), whose sum is σ = 323376517800. Its totient is φ = 105225692136.

The previous prime is 213017864707. The next prime is 213017864771. The reversal of 213017864734 is 437468710312.

213017864734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213017864734² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641619909 + ... + 641620240.

It is an arithmetic number, because the mean of its divisors is an integer number (40422064725).

Almost surely, 2^213017864734 is an apocalyptic number.

213017864734 is a deficient number, since it is larger than the sum of its proper divisors (110358653066).

213017864734 is a wasteful number, since it uses less digits than its factorization.

213017864734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283240234.

The product of its (nonzero) digits is 677376, while the sum is 46.

It can be divided in two parts, 2130178 and 64734, that added together give a palindrome (2194912).

The spelling of 213017864734 in words is "two hundred thirteen billion, seventeen million, eight hundred sixty-four thousand, seven hundred thirty-four".