213354411651 has 12 divisors (see below), whose sum is σ = 308182706728. Its totient is φ = 142234376544.

The previous prime is 213354411581. The next prime is 213354411667. The reversal of 213354411651 is 156114453312.

213354411651 is a `hidden beast` number, since 2 + 133 + 54 + 411 + 65 + 1 = 666.

It is not a de Polignac number, because 213354411651 - 2¹⁰ = 213354410627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213354411251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000776 + ... + 1195098.

Almost surely, 2^213354411651 is an apocalyptic number.

213354411651 is a deficient number, since it is larger than the sum of its proper divisors (94828295077).

213354411651 is a wasteful number, since it uses less digits than its factorization.

213354411651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316322 (or 316319 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 213354411651 its reverse (156114453312), we get a palindrome (369468864963).

The spelling of 213354411651 in words is "two hundred thirteen billion, three hundred fifty-four million, four hundred eleven thousand, six hundred fifty-one".