8253946049 has 2 divisors, whose sum is σ = 8253946050. Its totient is φ = 8253946048.

The previous prime is 8253945967. The next prime is 8253946067. The reversal of 8253946049 is 9406493528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8218329025 + 35617024 = 90655^2 + 5968^2 .

It is a cyclic number.

It is not a de Polignac number, because 8253946049 - 2²⁰ = 8252897473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8253945988 and 8253946006.

It is not a weakly prime, because it can be changed into another prime (8253946079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126973024 + 4126973025.

It is an arithmetic number, because the mean of its divisors is an integer number (4126973025).

Almost surely, 2^8253946049 is an apocalyptic number.

It is an amenable number.

8253946049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8253946049 is an equidigital number, since it uses as much as digits as its factorization.

8253946049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The square root of 8253946049 is about 90851.2303108769. The cubic root of 8253946049 is about 2020.9421191858.

The spelling of 8253946049 in words is "eight billion, two hundred fifty-three million, nine hundred forty-six thousand, forty-nine".