494520500213 has 4 divisors (see below), whose sum is σ = 523609941420. Its totient is φ = 465431059008.

The previous prime is 494520500191. The next prime is 494520500219. The reversal of 494520500213 is 312005025494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312005025494 = 2 ⋅156002512747.

It can be written as a sum of positive squares in 2 ways, for example, as 200997098929 + 293523401284 = 448327^2 + 541778^2 .

It is a cyclic number.

It is not a de Polignac number, because 494520500213 - 2²⁴ = 494503722997 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 (494520500219) 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, 14544720578 + ... + 14544720611.

It is an arithmetic number, because the mean of its divisors is an integer number (130902485355).

Almost surely, 2^494520500213 is an apocalyptic number.

It is an amenable number.

494520500213 is a deficient number, since it is larger than the sum of its proper divisors (29089441207).

494520500213 is a wasteful number, since it uses less digits than its factorization.

494520500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29089441206.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 494520500213 in words is "four hundred ninety-four billion, five hundred twenty million, five hundred thousand, two hundred thirteen".