544691459181 has 16 divisors (see below), whose sum is σ = 746797645440. Its totient is φ = 352923809280.

The previous prime is 544691459177. The next prime is 544691459227. The reversal of 544691459181 is 181954196445.

It is not a de Polignac number, because 544691459181 - 2² = 544691459177 is a prime.

It is a super-2 number, since 2×544691459181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544691459141) 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 15 ways as a sum of consecutive naturals, for example, 8386636 + ... + 8451333.

It is an arithmetic number, because the mean of its divisors is an integer number (46674852840).

Almost surely, 2^544691459181 is an apocalyptic number.

It is an amenable number.

544691459181 is a deficient number, since it is larger than the sum of its proper divisors (202106186259).

544691459181 is a wasteful number, since it uses less digits than its factorization.

544691459181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16838276.

The product of its digits is 6220800, while the sum is 57.

The spelling of 544691459181 in words is "five hundred forty-four billion, six hundred ninety-one million, four hundred fifty-nine thousand, one hundred eighty-one".