148626887393 has 2 divisors, whose sum is σ = 148626887394. Its totient is φ = 148626887392.

The previous prime is 148626887369. The next prime is 148626887467. The reversal of 148626887393 is 393788626841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100938373264 + 47688514129 = 317708^2 + 218377^2 .

It is a cyclic number.

It is not a de Polignac number, because 148626887393 - 2¹⁴ = 148626871009 is a prime.

It is a super-2 number, since 2×148626887393² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (148626887333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74313443696 + 74313443697.

It is an arithmetic number, because the mean of its divisors is an integer number (74313443697).

Almost surely, 2^148626887393 is an apocalyptic number.

It is an amenable number.

148626887393 is a deficient number, since it is larger than the sum of its proper divisors (1).

148626887393 is an equidigital number, since it uses as much as digits as its factorization.

148626887393 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 148626887393 in words is "one hundred forty-eight billion, six hundred twenty-six million, eight hundred eighty-seven thousand, three hundred ninety-three".