213264006665355 has 48 divisors (see below), whose sum is σ = 394700139415296. Its totient is φ = 106265422105920.

The previous prime is 213264006665321. The next prime is 213264006665399. The reversal of 213264006665355 is 553566600462312.

It is a happy number.

213264006665355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213264006665355 - 2¹² = 213264006661259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2395911081 + ... + 2396000090.

It is an arithmetic number, because the mean of its divisors is an integer number (8222919571152).

Almost surely, 2^{213264006665355} is an apocalyptic number.

213264006665355 is a deficient number, since it is larger than the sum of its proper divisors (181436132749941).

213264006665355 is a wasteful number, since it uses less digits than its factorization.

213264006665355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791911248 (or 4791911245 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 213264006665355 in words is "two hundred thirteen trillion, two hundred sixty-four billion, six million, six hundred sixty-five thousand, three hundred fifty-five".