213947810954 has 8 divisors (see below), whose sum is σ = 320938603140. Its totient is φ = 106968276576.

The previous prime is 213947810911. The next prime is 213947810971. The reversal of 213947810954 is 459018749312.

213947810954 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 170013554929 + 43934256025 = 412327^2 + 209605^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 213947810896 and 213947810905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2766779 + ... + 2843054.

Almost surely, 2^213947810954 is an apocalyptic number.

213947810954 is a deficient number, since it is larger than the sum of its proper divisors (106990792186).

213947810954 is a wasteful number, since it uses less digits than its factorization.

213947810954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628904.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 213947810954 in words is "two hundred thirteen billion, nine hundred forty-seven million, eight hundred ten thousand, nine hundred fifty-four".