10238420758729 has 2 divisors, whose sum is σ = 10238420758730. Its totient is φ = 10238420758728.

The previous prime is 10238420758717. The next prime is 10238420758771. The reversal of 10238420758729 is 92785702483201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6746736112704 + 3491684646025 = 2597448^2 + 1868605^2 .

It is a cyclic number.

It is not a de Polignac number, because 10238420758729 - 2¹⁵ = 10238420725961 is a prime.

It is not a weakly prime, because it can be changed into another prime (10238480758729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5119210379364 + 5119210379365.

It is an arithmetic number, because the mean of its divisors is an integer number (5119210379365).

Almost surely, 2^{10238420758729} is an apocalyptic number.

It is an amenable number.

10238420758729 is a deficient number, since it is larger than the sum of its proper divisors (1).

10238420758729 is an equidigital number, since it uses as much as digits as its factorization.

10238420758729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 10238420758729 in words is "ten trillion, two hundred thirty-eight billion, four hundred twenty million, seven hundred fifty-eight thousand, seven hundred twenty-nine".