213500440055253 has 8 divisors (see below), whose sum is σ = 306564734438368. Its totient is φ = 131384886187824.

The previous prime is 213500440055233. The next prime is 213500440055257. The reversal of 213500440055253 is 352550044005312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213500440055253 - 2⁸ = 213500440054997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 5474370257827 = 213500440055253 / (2 + 1 + 3 + 5 + 0 + 0 + 4 + 4 + 0 + 0 + 5 + 5 + 2 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213500440055257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737185128875 + ... + 2737185128952.

It is an arithmetic number, because the mean of its divisors is an integer number (38320591804796).

Almost surely, 2^{213500440055253} is an apocalyptic number.

It is an amenable number.

213500440055253 is a deficient number, since it is larger than the sum of its proper divisors (93064294383115).

213500440055253 is a wasteful number, since it uses less digits than its factorization.

213500440055253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474370257843.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 213500440055253 in words is "two hundred thirteen trillion, five hundred billion, four hundred forty million, fifty-five thousand, two hundred fifty-three".