181483140979 has 6 divisors (see below), whose sum is σ = 211113041604. Its totient is φ = 155556977940.

The previous prime is 181483140953. The next prime is 181483141013. The reversal of 181483140979 is 979041384181.

It is a happy number.

It is not a de Polignac number, because 181483140979 - 2²⁷ = 181348923251 is a prime.

It is a super-2 number, since 2×181483140979² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181483140379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1851868737 + ... + 1851868834.

It is an arithmetic number, because the mean of its divisors is an integer number (35185506934).

Almost surely, 2^181483140979 is an apocalyptic number.

181483140979 is a deficient number, since it is larger than the sum of its proper divisors (29629900625).

181483140979 is an equidigital number, since it uses as much as digits as its factorization.

181483140979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703737585 (or 3703737578 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 181483140979 in words is "one hundred eighty-one billion, four hundred eighty-three million, one hundred forty thousand, nine hundred seventy-nine".