210102053453 has 4 divisors (see below), whose sum is σ = 210103506108. Its totient is φ = 210100600800.

The previous prime is 210102053431. The next prime is 210102053459. The reversal of 210102053453 is 354350201012.

It is a happy number.

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 18448973929 + 191653079524 = 135827^2 + 437782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210102053453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210102053459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481976 + ... + 807777.

It is an arithmetic number, because the mean of its divisors is an integer number (52525876527).

Almost surely, 2^210102053453 is an apocalyptic number.

It is an amenable number.

210102053453 is a deficient number, since it is larger than the sum of its proper divisors (1452655).

210102053453 is a wasteful number, since it uses less digits than its factorization.

210102053453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452654.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 210102053453 its reverse (354350201012), we get a palindrome (564452254465).

The spelling of 210102053453 in words is "two hundred ten billion, one hundred two million, fifty-three thousand, four hundred fifty-three".