544247444742445 has 8 divisors (see below), whose sum is σ = 691514400378744. Its totient is φ = 409786311335424.

The previous prime is 544247444742439. The next prime is 544247444742451.

544247444742445 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (544247444742439) and next prime (544247444742451).

It can be written as a sum of positive squares in 4 ways, for example, as 303476921106921 + 240770523635524 = 17420589^2 + 15516782^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 544247444742445 - 2³ = 544247444742437 is a prime.

It is a super-2 number, since 2×544247444742445² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3201455557224 + ... + 3201455557393.

It is an arithmetic number, because the mean of its divisors is an integer number (86439300047343).

Almost surely, 2^{544247444742445} is an apocalyptic number.

It is an amenable number.

544247444742445 is a deficient number, since it is larger than the sum of its proper divisors (147266955636299).

544247444742445 is a wasteful number, since it uses less digits than its factorization.

544247444742445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402911114639.

The product of its digits is 1284505600, while the sum is 64.

The spelling of 544247444742445 in words is "five hundred forty-four trillion, two hundred forty-seven billion, four hundred forty-four million, seven hundred forty-two thousand, four hundred forty-five".