213054322442245 has 16 divisors (see below), whose sum is σ = 271703224516608. Its totient is φ = 159825426151680.

The previous prime is 213054322442239. The next prime is 213054322442249. The reversal of 213054322442245 is 542244223450312.

It is not a de Polignac number, because 213054322442245 - 2³³ = 213045732507653 is a prime.

It is a super-2 number, since 2×213054322442245² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213054322442249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4624555269 + ... + 4624601338.

It is an arithmetic number, because the mean of its divisors is an integer number (16981451532288).

Almost surely, 2^{213054322442245} is an apocalyptic number.

It is an amenable number.

213054322442245 is a deficient number, since it is larger than the sum of its proper divisors (58648902074363).

213054322442245 is a wasteful number, since it uses less digits than its factorization.

213054322442245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249156900.

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 213054322442245 its reverse (542244223450312), we get a palindrome (755298545892557).

The spelling of 213054322442245 in words is "two hundred thirteen trillion, fifty-four billion, three hundred twenty-two million, four hundred forty-two thousand, two hundred forty-five".