544641413245 has 4 divisors (see below), whose sum is σ = 653569695900. Its totient is φ = 435713130592.

The previous prime is 544641413227. The next prime is 544641413287. The reversal of 544641413245 is 542314146445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 165139827876 + 379501585369 = 406374^2 + 616037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544641413245 is a prime.

It is a super-2 number, since 2×544641413245² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54464141320 + ... + 54464141329.

It is an arithmetic number, because the mean of its divisors is an integer number (163392423975).

Almost surely, 2^544641413245 is an apocalyptic number.

It is an amenable number.

544641413245 is a deficient number, since it is larger than the sum of its proper divisors (108928282655).

544641413245 is a wasteful number, since it uses less digits than its factorization.

544641413245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108928282654.

The product of its digits is 921600, while the sum is 43.

The spelling of 544641413245 in words is "five hundred forty-four billion, six hundred forty-one million, four hundred thirteen thousand, two hundred forty-five".