213326332815 has 64 divisors (see below), whose sum is σ = 352537214976. Its totient is φ = 110094774912.

The previous prime is 213326332777. The next prime is 213326332837. The reversal of 213326332815 is 518233623312.

It is not a de Polignac number, because 213326332815 - 2¹⁶ = 213326267279 is a prime.

It is a super-2 number, since 2×213326332815² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42467394 + ... + 42472416.

It is an arithmetic number, because the mean of its divisors is an integer number (5508393984).

Almost surely, 2^213326332815 is an apocalyptic number.

213326332815 is a deficient number, since it is larger than the sum of its proper divisors (139210882161).

213326332815 is a wasteful number, since it uses less digits than its factorization.

213326332815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748.

The product of its digits is 155520, while the sum is 39.

The spelling of 213326332815 in words is "two hundred thirteen billion, three hundred twenty-six million, three hundred thirty-two thousand, eight hundred fifteen".