148489599617 has 2 divisors, whose sum is σ = 148489599618. Its totient is φ = 148489599616.

The previous prime is 148489599553. The next prime is 148489599647. The reversal of 148489599617 is 716995984841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88135359376 + 60354240241 = 296876^2 + 245671^2 .

It is a cyclic number.

It is not a de Polignac number, because 148489599617 - 2⁶ = 148489599553 is a prime.

It is a super-2 number, since 2×148489599617² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148489599647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74244799808 + 74244799809.

It is an arithmetic number, because the mean of its divisors is an integer number (74244799809).

Almost surely, 2^148489599617 is an apocalyptic number.

It is an amenable number.

148489599617 is a deficient number, since it is larger than the sum of its proper divisors (1).

148489599617 is an equidigital number, since it uses as much as digits as its factorization.

148489599617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156764160, while the sum is 71.

The spelling of 148489599617 in words is "one hundred forty-eight billion, four hundred eighty-nine million, five hundred ninety-nine thousand, six hundred seventeen".