213237035554 has 32 divisors (see below), whose sum is σ = 331636032000. Its totient is φ = 102708676224.

The previous prime is 213237035521. The next prime is 213237035573. The reversal of 213237035554 is 455530732312.

It is a happy number.

213237035554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 78136062 + ... + 78138790.

It is an arithmetic number, because the mean of its divisors is an integer number (10363626000).

Almost surely, 2^213237035554 is an apocalyptic number.

213237035554 is a deficient number, since it is larger than the sum of its proper divisors (118398996446).

213237035554 is a wasteful number, since it uses less digits than its factorization.

213237035554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322.

The product of its (nonzero) digits is 378000, while the sum is 40.

Adding to 213237035554 its reverse (455530732312), we get a palindrome (668767767866).

The spelling of 213237035554 in words is "two hundred thirteen billion, two hundred thirty-seven million, thirty-five thousand, five hundred fifty-four".