544612451550445 has 4 divisors (see below), whose sum is σ = 653534941860540. Its totient is φ = 435689961240352.

The previous prime is 544612451550439. The next prime is 544612451550467. The reversal of 544612451550445 is 544055154216445.

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 302949446026249 + 241663005524196 = 17405443^2 + 15545514^2 .

It is a cyclic number.

It is not a de Polignac number, because 544612451550445 - 2³ = 544612451550437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54461245155040 + ... + 54461245155049.

It is an arithmetic number, because the mean of its divisors is an integer number (163383735465135).

Almost surely, 2^{544612451550445} is an apocalyptic number.

It is an amenable number.

544612451550445 is a deficient number, since it is larger than the sum of its proper divisors (108922490310095).

544612451550445 is a wasteful number, since it uses less digits than its factorization.

544612451550445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108922490310094.

The product of its (nonzero) digits is 38400000, while the sum is 55.

The spelling of 544612451550445 in words is "five hundred forty-four trillion, six hundred twelve billion, four hundred fifty-one million, five hundred fifty thousand, four hundred forty-five".