248553970789 has 2 divisors, whose sum is σ = 248553970790. Its totient is φ = 248553970788.

The previous prime is 248553970783. The next prime is 248553970823. The reversal of 248553970789 is 987079355842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234164049025 + 14389921764 = 483905^2 + 119958^2 .

It is a cyclic number.

It is not a de Polignac number, because 248553970789 - 2⁷ = 248553970661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248553970783) 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, 124276985394 + 124276985395.

It is an arithmetic number, because the mean of its divisors is an integer number (124276985395).

Almost surely, 2^248553970789 is an apocalyptic number.

It is an amenable number.

248553970789 is a deficient number, since it is larger than the sum of its proper divisors (1).

248553970789 is an equidigital number, since it uses as much as digits as its factorization.

248553970789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 248553970789 in words is "two hundred forty-eight billion, five hundred fifty-three million, nine hundred seventy thousand, seven hundred eighty-nine".