234494145899181 has 36 divisors (see below), whose sum is σ = 396848606044800. Its totient is φ = 133032650053968.

The previous prime is 234494145899173. The next prime is 234494145899183. The reversal of 234494145899181 is 181998541494432.

234494145899181 is a `hidden beast` number, since 2 + 3 + 4 + 4 + 9 + 4 + 1 + 458 + 9 + 91 + 81 = 666.

It is not a de Polignac number, because 234494145899181 - 2³ = 234494145899173 is a prime.

It is a super-2 number, since 2×234494145899181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234494145899183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1912646461 + ... + 1912769058.

Almost surely, 2^{234494145899181} is an apocalyptic number.

234494145899181 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

234494145899181 is a deficient number, since it is larger than the sum of its proper divisors (162354460145619).

234494145899181 is a wasteful number, since it uses less digits than its factorization.

234494145899181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825415678 (or 3825415668 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 72.

The spelling of 234494145899181 in words is "two hundred thirty-four trillion, four hundred ninety-four billion, one hundred forty-five million, eight hundred ninety-nine thousand, one hundred eighty-one".