10213136993 has 4 divisors (see below), whose sum is σ = 10213344660. Its totient is φ = 10212929328.

The previous prime is 10213136981. The next prime is 10213137043. The reversal of 10213136993 is 39963131201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39963131201 = 7 ⋅5709018743.

It can be written as a sum of positive squares in 2 ways, for example, as 2790797584 + 7422339409 = 52828^2 + 86153^2 .

It is a cyclic number.

It is not a de Polignac number, because 10213136993 - 2⁴ = 10213136977 is a prime.

It is a super-4 number, since 4×10213136993⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10213136933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16163 + ... + 143831.

It is an arithmetic number, because the mean of its divisors is an integer number (2553336165).

Almost surely, 2^10213136993 is an apocalyptic number.

It is an amenable number.

10213136993 is a deficient number, since it is larger than the sum of its proper divisors (207667).

10213136993 is an equidigital number, since it uses as much as digits as its factorization.

10213136993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207666.

The product of its (nonzero) digits is 26244, while the sum is 38.

The spelling of 10213136993 in words is "ten billion, two hundred thirteen million, one hundred thirty-six thousand, nine hundred ninety-three".