213404033433404 has 24 divisors (see below), whose sum is σ = 407578808203056. Its totient is φ = 96961093376000.

The previous prime is 213404033433389. The next prime is 213404033433431. The reversal of 213404033433404 is 404334330404312.

It is a happy number.

It is a super-3 number, since 3×213404033433404³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018394117 + ... + 1018603644.

It is an arithmetic number, because the mean of its divisors is an integer number (16982450341794).

Almost surely, 2^{213404033433404} is an apocalyptic number.

It is an amenable number.

213404033433404 is a deficient number, since it is larger than the sum of its proper divisors (194174774769652).

213404033433404 is a wasteful number, since it uses less digits than its factorization.

213404033433404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037000157 (or 2037000155 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 38.

Adding to 213404033433404 its reverse (404334330404312), we get a palindrome (617738363837716).

The spelling of 213404033433404 in words is "two hundred thirteen trillion, four hundred four billion, thirty-three million, four hundred thirty-three thousand, four hundred four".