213506232005404 has 48 divisors (see below), whose sum is σ = 412088770380672. Its totient is φ = 96166917830592.

The previous prime is 213506232005389. The next prime is 213506232005461. The reversal of 213506232005404 is 404500232605312.

213506232005404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213506232005404² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38451034 + ... + 43651969.

It is an arithmetic number, because the mean of its divisors is an integer number (8585182716264).

Almost surely, 2^{213506232005404} is an apocalyptic number.

It is an amenable number.

213506232005404 is a deficient number, since it is larger than the sum of its proper divisors (198582538375268).

213506232005404 is a wasteful number, since it uses less digits than its factorization.

213506232005404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82104226 (or 82104224 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 213506232005404 in words is "two hundred thirteen trillion, five hundred six billion, two hundred thirty-two million, five thousand, four hundred four".