10238638751 has 4 divisors (see below), whose sum is σ = 11169424104. Its totient is φ = 9307853400.

The previous prime is 10238638741. The next prime is 10238638771. The reversal of 10238638751 is 15783683201.

It is a happy number.

10238638751 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.

It is a cyclic number.

It is not a de Polignac number, because 10238638751 - 2⁶ = 10238638687 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 (10238638741) 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, 465392660 + ... + 465392681.

It is an arithmetic number, because the mean of its divisors is an integer number (2792356026).

Almost surely, 2^10238638751 is an apocalyptic number.

10238638751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10238638751 is a deficient number, since it is larger than the sum of its proper divisors (930785353).

10238638751 is an equidigital number, since it uses as much as digits as its factorization.

10238638751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930785352.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 10238638751 in words is "ten billion, two hundred thirty-eight million, six hundred thirty-eight thousand, seven hundred fifty-one".