10235431250509 has 2 divisors, whose sum is σ = 10235431250510. Its totient is φ = 10235431250508.

The previous prime is 10235431250501. The next prime is 10235431250531. The reversal of 10235431250509 is 90505213453201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6128818166025 + 4106613084484 = 2475645^2 + 2026478^2 .

It is an emirp because it is prime and its reverse (90505213453201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10235431250509 - 2³ = 10235431250501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10235431250501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5117715625254 + 5117715625255.

It is an arithmetic number, because the mean of its divisors is an integer number (5117715625255).

Almost surely, 2^{10235431250509} is an apocalyptic number.

It is an amenable number.

10235431250509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10235431250509 is an equidigital number, since it uses as much as digits as its factorization.

10235431250509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 10235431250509 in words is "ten trillion, two hundred thirty-five billion, four hundred thirty-one million, two hundred fifty thousand, five hundred nine".