814542385181 has 8 divisors (see below), whose sum is σ = 952554550464. Its totient is φ = 681942461760.

The previous prime is 814542385157. The next prime is 814542385213. The reversal of 814542385181 is 181583245418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 814542385181 - 2⁶ = 814542385117 is a prime.

It is a super-2 number, since 2×814542385181² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814542385121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353060140 + ... + 1353060741.

It is an arithmetic number, because the mean of its divisors is an integer number (119069318808).

Almost surely, 2^814542385181 is an apocalyptic number.

It is an amenable number.

814542385181 is a deficient number, since it is larger than the sum of its proper divisors (138012165283).

814542385181 is a wasteful number, since it uses less digits than its factorization.

814542385181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706120931.

The product of its digits is 1228800, while the sum is 50.

The spelling of 814542385181 in words is "eight hundred fourteen billion, five hundred forty-two million, three hundred eighty-five thousand, one hundred eighty-one".