213449511150 has 72 divisors (see below), whose sum is σ = 594707264424. Its totient is φ = 56919866400.

The previous prime is 213449511091. The next prime is 213449511157. The reversal of 213449511150 is 51115944312.

213449511150 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 495 + 11 + 150 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213449511157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8771781 + ... + 8796080.

It is an arithmetic number, because the mean of its divisors is an integer number (8259823117).

Almost surely, 2^213449511150 is an apocalyptic number.

213449511150 is an abundant number, since it is smaller than the sum of its proper divisors (381257753274).

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

213449511150 is a wasteful number, since it uses less digits than its factorization.

213449511150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17567888 (or 17567871 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 213449511150 in words is "two hundred thirteen billion, four hundred forty-nine million, five hundred eleven thousand, one hundred fifty".