10338648857 has 4 divisors (see below), whose sum is σ = 10695154020. Its totient is φ = 9982143696.

The previous prime is 10338648839. The next prime is 10338648869. The reversal of 10338648857 is 75884683301.

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 5626650121 + 4711998736 = 75011^2 + 68644^2 .

It is a cyclic number.

It is not a de Polignac number, because 10338648857 - 2¹⁰ = 10338647833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10338648799 and 10338648808.

It is not an unprimeable number, because it can be changed into a prime (10338648157) 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, 178252538 + ... + 178252595.

It is an arithmetic number, because the mean of its divisors is an integer number (2673788505).

Almost surely, 2^10338648857 is an apocalyptic number.

It is an amenable number.

10338648857 is a deficient number, since it is larger than the sum of its proper divisors (356505163).

10338648857 is an equidigital number, since it uses as much as digits as its factorization.

10338648857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356505162.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 10338648857 in words is "ten billion, three hundred thirty-eight million, six hundred forty-eight thousand, eight hundred fifty-seven".