248368820069 has 2 divisors, whose sum is σ = 248368820070. Its totient is φ = 248368820068.

The previous prime is 248368819957. The next prime is 248368820083. The reversal of 248368820069 is 960028863842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162862287844 + 85506532225 = 403562^2 + 292415^2 .

It is a cyclic number.

It is not a de Polignac number, because 248368820069 - 2¹⁶ = 248368754533 is a prime.

It is a super-2 number, since 2×248368820069² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 248368819996 and 248368820023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248368820269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124184410034 + 124184410035.

It is an arithmetic number, because the mean of its divisors is an integer number (124184410035).

Almost surely, 2^248368820069 is an apocalyptic number.

It is an amenable number.

248368820069 is a deficient number, since it is larger than the sum of its proper divisors (1).

248368820069 is an equidigital number, since it uses as much as digits as its factorization.

248368820069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 248368820069 in words is "two hundred forty-eight billion, three hundred sixty-eight million, eight hundred twenty thousand, sixty-nine".