148951491833 has 2 divisors, whose sum is σ = 148951491834. Its totient is φ = 148951491832.

The previous prime is 148951491811. The next prime is 148951491877. The reversal of 148951491833 is 338194159841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148742891584 + 208600249 = 385672^2 + 14443^2 .

It is a cyclic number.

It is not a de Polignac number, because 148951491833 - 2¹⁸ = 148951229689 is a prime.

It is not a weakly prime, because it can be changed into another prime (148951491893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74475745916 + 74475745917.

It is an arithmetic number, because the mean of its divisors is an integer number (74475745917).

Almost surely, 2^148951491833 is an apocalyptic number.

It is an amenable number.

148951491833 is a deficient number, since it is larger than the sum of its proper divisors (1).

148951491833 is an equidigital number, since it uses as much as digits as its factorization.

148951491833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 56.

The spelling of 148951491833 in words is "one hundred forty-eight billion, nine hundred fifty-one million, four hundred ninety-one thousand, eight hundred thirty-three".