213555774350 has 48 divisors (see below), whose sum is σ = 402351390720. Its totient is φ = 84318031200.

The previous prime is 213555774259. The next prime is 213555774359. The reversal of 213555774350 is 53477555312.

213555774350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213555774295 and 213555774304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213555774359) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 27294539 + ... + 27302361.

It is an arithmetic number, because the mean of its divisors is an integer number (8382320640).

Almost surely, 2^213555774350 is an apocalyptic number.

213555774350 is a deficient number, since it is larger than the sum of its proper divisors (188795616370).

213555774350 is a wasteful number, since it uses less digits than its factorization.

213555774350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14825 (or 14820 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 47.

The spelling of 213555774350 in words is "two hundred thirteen billion, five hundred fifty-five million, seven hundred seventy-four thousand, three hundred fifty".