10505432239 has 4 divisors (see below), whose sum is σ = 10510016056. Its totient is φ = 10500848424.

The previous prime is 10505432227. The next prime is 10505432279. The reversal of 10505432239 is 93223450501.

10505432239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93223450501 = 487 ⋅191423923.

It is a cyclic number.

It is not a de Polignac number, because 10505432239 - 2⁷ = 10505432111 is a prime.

It is a super-2 number, since 2×10505432239² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505432279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2288469 + ... + 2293054.

It is an arithmetic number, because the mean of its divisors is an integer number (2627504014).

Almost surely, 2^10505432239 is an apocalyptic number.

10505432239 is a deficient number, since it is larger than the sum of its proper divisors (4583817).

10505432239 is an equidigital number, since it uses as much as digits as its factorization.

10505432239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583816.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 10505432239 in words is "ten billion, five hundred five million, four hundred thirty-two thousand, two hundred thirty-nine".