10243451650213 has 4 divisors (see below), whose sum is σ = 10596674120940. Its totient is φ = 9890229179488.

The previous prime is 10243451650207. The next prime is 10243451650249. The reversal of 10243451650213 is 31205615434201.

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 8490218784804 + 1753232865409 = 2913798^2 + 1324097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10243451650213 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 (10243451650283) 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, 176611235320 + ... + 176611235377.

It is an arithmetic number, because the mean of its divisors is an integer number (2649168530235).

Almost surely, 2^{10243451650213} is an apocalyptic number.

It is an amenable number.

10243451650213 is a deficient number, since it is larger than the sum of its proper divisors (353222470727).

10243451650213 is an equidigital number, since it uses as much as digits as its factorization.

10243451650213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353222470726.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 10243451650213 in words is "ten trillion, two hundred forty-three billion, four hundred fifty-one million, six hundred fifty thousand, two hundred thirteen".