248823782993 has 2 divisors, whose sum is σ = 248823782994. Its totient is φ = 248823782992.

The previous prime is 248823782971. The next prime is 248823783083. The reversal of 248823782993 is 399287328842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248465362369 + 358420624 = 498463^2 + 18932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248823782993 is a prime.

It is a super-3 number, since 3×248823782993³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (248823682993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124411891496 + 124411891497.

It is an arithmetic number, because the mean of its divisors is an integer number (124411891497).

Almost surely, 2^248823782993 is an apocalyptic number.

It is an amenable number.

248823782993 is a deficient number, since it is larger than the sum of its proper divisors (1).

248823782993 is an equidigital number, since it uses as much as digits as its factorization.

248823782993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83607552, while the sum is 65.

The spelling of 248823782993 in words is "two hundred forty-eight billion, eight hundred twenty-three million, seven hundred eighty-two thousand, nine hundred ninety-three".