213354540001 has 4 divisors (see below), whose sum is σ = 214587803412. Its totient is φ = 212121276592.

The previous prime is 213354539999. The next prime is 213354540011. The reversal of 213354540001 is 100045453312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93256944400 + 120097595601 = 305380^2 + 346551^2 .

It is a cyclic number.

It is not a de Polignac number, because 213354540001 - 2¹ = 213354539999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213354540011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616631446 + ... + 616631791.

It is an arithmetic number, because the mean of its divisors is an integer number (53646950853).

Almost surely, 2^213354540001 is an apocalyptic number.

It is an amenable number.

213354540001 is a deficient number, since it is larger than the sum of its proper divisors (1233263411).

213354540001 is a wasteful number, since it uses less digits than its factorization.

213354540001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233263410.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 213354540001 its reverse (100045453312), we get a palindrome (313399993313).

The spelling of 213354540001 in words is "two hundred thirteen billion, three hundred fifty-four million, five hundred forty thousand, one".