213452350533 has 6 divisors (see below), whose sum is σ = 308320061894. Its totient is φ = 142301567016.

The previous prime is 213452350511. The next prime is 213452350547. The reversal of 213452350533 is 335053254312.

213452350533 is a `hidden beast` number, since 2 + 1 + 34 + 523 + 50 + 53 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 212353229124 + 1099121409 = 460818^2 + 33153^2 .

It is not a de Polignac number, because 213452350533 - 2²⁰ = 213451301957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213452350733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11858463910 + ... + 11858463927.

Almost surely, 2^213452350533 is an apocalyptic number.

It is an amenable number.

213452350533 is a deficient number, since it is larger than the sum of its proper divisors (94867711361).

213452350533 is a wasteful number, since it uses less digits than its factorization.

213452350533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23716927843 (or 23716927840 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 213452350533 in words is "two hundred thirteen billion, four hundred fifty-two million, three hundred fifty thousand, five hundred thirty-three".