10253444513 has 4 divisors (see below), whose sum is σ = 11042171028. Its totient is φ = 9464718000.

The previous prime is 10253444497. The next prime is 10253444519. The reversal of 10253444513 is 31544435201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 522213904 + 9731230609 = 22852^2 + 98647^2 .

It is a cyclic number.

It is not a de Polignac number, because 10253444513 - 2⁴ = 10253444497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10253444513.

It is not an unprimeable number, because it can be changed into a prime (10253444519) 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, 394363238 + ... + 394363263.

It is an arithmetic number, because the mean of its divisors is an integer number (2760542757).

Almost surely, 2^10253444513 is an apocalyptic number.

10253444513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10253444513 is a deficient number, since it is larger than the sum of its proper divisors (788726515).

10253444513 is an equidigital number, since it uses as much as digits as its factorization.

10253444513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788726514.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 10253444513 its reverse (31544435201), we get a palindrome (41797879714).

The spelling of 10253444513 in words is "ten billion, two hundred fifty-three million, four hundred forty-four thousand, five hundred thirteen".