210744998253 has 24 divisors (see below), whose sum is σ = 325031733312. Its totient is φ = 131262804288.

The previous prime is 210744998227. The next prime is 210744998293. The reversal of 210744998253 is 352899447012.

210744998253 is a `hidden beast` number, since 2 + 1 + 0 + 74 + 499 + 82 + 5 + 3 = 666.

It is not a de Polignac number, because 210744998253 - 2¹² = 210744994157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210744998253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210744998293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11829376 + ... + 11847177.

It is an arithmetic number, because the mean of its divisors is an integer number (13542988888).

Almost surely, 2^210744998253 is an apocalyptic number.

210744998253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

210744998253 is a deficient number, since it is larger than the sum of its proper divisors (114286735059).

210744998253 is a wasteful number, since it uses less digits than its factorization.

210744998253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23676625 (or 23676622 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 210744998253 in words is "two hundred ten billion, seven hundred forty-four million, nine hundred ninety-eight thousand, two hundred fifty-three".