213006954573 has 48 divisors (see below), whose sum is σ = 363151027200. Its totient is φ = 117734238720.

The previous prime is 213006954553. The next prime is 213006954599. The reversal of 213006954573 is 375459600312.

213006954573 is a `hidden beast` number, since 2 + 1 + 30 + 0 + 6 + 9 + 545 + 73 = 666.

It is not a de Polignac number, because 213006954573 - 2⁸ = 213006954317 is a prime.

It is a super-2 number, since 2×213006954573² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213006954553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4132323 + ... + 4183551.

It is an arithmetic number, because the mean of its divisors is an integer number (7565646400).

Almost surely, 2^213006954573 is an apocalyptic number.

It is an amenable number.

213006954573 is a deficient number, since it is larger than the sum of its proper divisors (150144072627).

213006954573 is a wasteful number, since it uses less digits than its factorization.

213006954573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53402 (or 53399 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 213006954573 in words is "two hundred thirteen billion, six million, nine hundred fifty-four thousand, five hundred seventy-three".