10127387813 has 8 divisors (see below), whose sum is σ = 10241327256. Its totient is φ = 10013875200.

The previous prime is 10127387791. The next prime is 10127387863. The reversal of 10127387813 is 31878372101.

It can be written as a sum of positive squares in 4 ways, for example, as 1037290849 + 9090096964 = 32207^2 + 95342^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10127387813 - 2⁶ = 10127387749 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 (10127387863) 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, 58868 + ... + 154013.

It is an arithmetic number, because the mean of its divisors is an integer number (1280165907).

Almost surely, 2^10127387813 is an apocalyptic number.

It is an amenable number.

10127387813 is a deficient number, since it is larger than the sum of its proper divisors (113939443).

10127387813 is a wasteful number, since it uses less digits than its factorization.

10127387813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213415.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 10127387813 in words is "ten billion, one hundred twenty-seven million, three hundred eighty-seven thousand, eight hundred thirteen".