544364315545 has 4 divisors (see below), whose sum is σ = 653237178660. Its totient is φ = 435491452432.

The previous prime is 544364315519. The next prime is 544364315563. The reversal of 544364315545 is 545513463445.

It is a happy number.

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 432879780096 + 111484535449 = 657936^2 + 333893^2 .

It is a cyclic number.

It is not a de Polignac number, because 544364315545 - 2¹³ = 544364307353 is a prime.

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, 54436431550 + ... + 54436431559.

It is an arithmetic number, because the mean of its divisors is an integer number (163309294665).

Almost surely, 2^544364315545 is an apocalyptic number.

It is an amenable number.

544364315545 is a deficient number, since it is larger than the sum of its proper divisors (108872863115).

544364315545 is a wasteful number, since it uses less digits than its factorization.

544364315545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108872863114.

The product of its digits is 8640000, while the sum is 49.

The spelling of 544364315545 in words is "five hundred forty-four billion, three hundred sixty-four million, three hundred fifteen thousand, five hundred forty-five".