148421083491 has 12 divisors (see below), whose sum is σ = 214486640680. Its totient is φ = 98900943840.

The previous prime is 148421083477. The next prime is 148421083543. The reversal of 148421083491 is 194380124841.

148421083491 is a `hidden beast` number, since 1 + 4 + 84 + 2 + 1 + 0 + 83 + 491 = 666.

It is not a de Polignac number, because 148421083491 - 2¹¹ = 148421081443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148421083441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3850186 + ... + 3888543.

Almost surely, 2^148421083491 is an apocalyptic number.

148421083491 is a deficient number, since it is larger than the sum of its proper divisors (66065557189).

148421083491 is a wasteful number, since it uses less digits than its factorization.

148421083491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740866 (or 7740863 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 148421083491 in words is "one hundred forty-eight billion, four hundred twenty-one million, eighty-three thousand, four hundred ninety-one".