10538839857 has 64 divisors (see below), whose sum is σ = 17838571520. Its totient is φ = 5386155264.

The previous prime is 10538839841. The next prime is 10538839873. The reversal of 10538839857 is 75893883501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10538839841) and next prime (10538839873).

It is not a de Polignac number, because 10538839857 - 2⁴ = 10538839841 is a prime.

It is a super-2 number, since 2×10538839857² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10538839797 and 10538839806.

It is not an unprimeable number, because it can be changed into a prime (10538831857) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1487319 + ... + 1494387.

It is an arithmetic number, because the mean of its divisors is an integer number (278727680).

Almost surely, 2^10538839857 is an apocalyptic number.

It is an amenable number.

10538839857 is a deficient number, since it is larger than the sum of its proper divisors (7299731663).

10538839857 is a wasteful number, since it uses less digits than its factorization.

10538839857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 10538839857 in words is "ten billion, five hundred thirty-eight million, eight hundred thirty-nine thousand, eight hundred fifty-seven".