10240250249 has 4 divisors (see below), whose sum is σ = 10253498436. Its totient is φ = 10227002064.

The previous prime is 10240250239. The next prime is 10240250261. The reversal of 10240250249 is 94205204201.

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 1597201225 + 8643049024 = 39965^2 + 92968^2 .

It is a cyclic number.

It is not a de Polignac number, because 10240250249 - 2⁸ = 10240249993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10240250239) 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, 6622934 + ... + 6624479.

It is an arithmetic number, because the mean of its divisors is an integer number (2563374609).

Almost surely, 2^10240250249 is an apocalyptic number.

It is an amenable number.

10240250249 is a deficient number, since it is larger than the sum of its proper divisors (13248187).

10240250249 is an equidigital number, since it uses as much as digits as its factorization.

10240250249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13248186.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 10240250249 in words is "ten billion, two hundred forty million, two hundred fifty thousand, two hundred forty-nine".