213506063205504 has 64 divisors (see below), whose sum is σ = 567129007620000. Its totient is φ = 71168245102592.

The previous prime is 213506063205481. The next prime is 213506063205599. The reversal of 213506063205504 is 405502360605312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63270307 + ... + 66559325.

Almost surely, 2^{213506063205504} is an apocalyptic number.

213506063205504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213506063205504 is an abundant number, since it is smaller than the sum of its proper divisors (353622944414496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213506063205504 is a wasteful number, since it uses less digits than its factorization.

213506063205504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458085 (or 3458073 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 213506063205504 in words is "two hundred thirteen trillion, five hundred six billion, sixty-three million, two hundred five thousand, five hundred four".