544551604545 has 64 divisors (see below), whose sum is σ = 951740294400. Its totient is φ = 264271334400.

The previous prime is 544551604523. The next prime is 544551604547. The reversal of 544551604545 is 545406155445.

It is a happy number.

It is not a de Polignac number, because 544551604545 - 2¹² = 544551600449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544551604494 and 544551604503.

It is not an unprimeable number, because it can be changed into a prime (544551604547) 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 63 ways as a sum of consecutive naturals, for example, 4449786 + ... + 4570524.

It is an arithmetic number, because the mean of its divisors is an integer number (14870942100).

Almost surely, 2^544551604545 is an apocalyptic number.

It is an amenable number.

544551604545 is a deficient number, since it is larger than the sum of its proper divisors (407188689855).

544551604545 is a wasteful number, since it uses less digits than its factorization.

544551604545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121090.

The product of its (nonzero) digits is 4800000, while the sum is 48.

The spelling of 544551604545 in words is "five hundred forty-four billion, five hundred fifty-one million, six hundred four thousand, five hundred forty-five".