248554969933 has 2 divisors, whose sum is σ = 248554969934. Its totient is φ = 248554969932.

The previous prime is 248554969907. The next prime is 248554969939. The reversal of 248554969933 is 339969455842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174245300329 + 74309669604 = 417427^2 + 272598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248554969933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248554969939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124277484966 + 124277484967.

It is an arithmetic number, because the mean of its divisors is an integer number (124277484967).

Almost surely, 2^248554969933 is an apocalyptic number.

It is an amenable number.

248554969933 is a deficient number, since it is larger than the sum of its proper divisors (1).

248554969933 is an equidigital number, since it uses as much as digits as its factorization.

248554969933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 251942400, while the sum is 67.

The spelling of 248554969933 in words is "two hundred forty-eight billion, five hundred fifty-four million, nine hundred sixty-nine thousand, nine hundred thirty-three".