248985899153 has 2 divisors, whose sum is σ = 248985899154. Its totient is φ = 248985899152.

The previous prime is 248985899143. The next prime is 248985899159. The reversal of 248985899153 is 351998589842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215376743569 + 33609155584 = 464087^2 + 183328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248985899153 is a prime.

It is a super-2 number, since 2×248985899153² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (248985899159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124492949576 + 124492949577.

It is an arithmetic number, because the mean of its divisors is an integer number (124492949577).

Almost surely, 2^248985899153 is an apocalyptic number.

It is an amenable number.

248985899153 is a deficient number, since it is larger than the sum of its proper divisors (1).

248985899153 is an equidigital number, since it uses as much as digits as its factorization.

248985899153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 223948800, while the sum is 71.

The spelling of 248985899153 in words is "two hundred forty-eight billion, nine hundred eighty-five million, eight hundred ninety-nine thousand, one hundred fifty-three".