213550550434 has 32 divisors (see below), whose sum is σ = 349192718784. Its totient is φ = 97354716480.

The previous prime is 213550550431. The next prime is 213550550441. The reversal of 213550550434 is 434055055312.

213550550434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213550550393 and 213550550402.

It is not an unprimeable number, because it can be changed into a prime (213550550431) 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 15 ways as a sum of consecutive naturals, for example, 20843317 + ... + 20853559.

It is an arithmetic number, because the mean of its divisors is an integer number (10912272462).

Almost surely, 2^213550550434 is an apocalyptic number.

213550550434 is a deficient number, since it is larger than the sum of its proper divisors (135642168350).

213550550434 is a wasteful number, since it uses less digits than its factorization.

213550550434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 213550550434 in words is "two hundred thirteen billion, five hundred fifty million, five hundred fifty thousand, four hundred thirty-four".