210493128013 has 8 divisors (see below), whose sum is σ = 251022860928. Its totient is φ = 172578216624.

The previous prime is 210493127969. The next prime is 210493128031. The reversal of 210493128013 is 310821394012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210493128013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210493128013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210493128073) 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, 653705206 + ... + 653705527.

It is an arithmetic number, because the mean of its divisors is an integer number (31377857616).

Almost surely, 2^210493128013 is an apocalyptic number.

210493128013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

210493128013 is a deficient number, since it is larger than the sum of its proper divisors (40529732915).

210493128013 is a wasteful number, since it uses less digits than its factorization.

210493128013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307410763.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 210493128013 in words is "two hundred ten billion, four hundred ninety-three million, one hundred twenty-eight thousand, thirteen".