10428857539 has 4 divisors (see below), whose sum is σ = 10683219960. Its totient is φ = 10174495120.

The previous prime is 10428857513. The next prime is 10428857567. The reversal of 10428857539 is 93575882401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10428857539 - 2²⁹ = 9891986627 is a prime.

It is a super-2 number, since 2×10428857539² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10428857239) 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, 127181149 + ... + 127181230.

It is an arithmetic number, because the mean of its divisors is an integer number (2670804990).

Almost surely, 2^10428857539 is an apocalyptic number.

10428857539 is a deficient number, since it is larger than the sum of its proper divisors (254362421).

10428857539 is an equidigital number, since it uses as much as digits as its factorization.

10428857539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254362420.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 10428857539 in words is "ten billion, four hundred twenty-eight million, eight hundred fifty-seven thousand, five hundred thirty-nine".