544550642403 has 4 divisors (see below), whose sum is σ = 726067523208. Its totient is φ = 363033761600.

The previous prime is 544550642399. The next prime is 544550642417. The reversal of 544550642403 is 304246055445.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 544550642403 - 2² = 544550642399 is a prime.

It is a super-2 number, since 2×544550642403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (544550642803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90758440398 + ... + 90758440403.

It is an arithmetic number, because the mean of its divisors is an integer number (181516880802).

Almost surely, 2^544550642403 is an apocalyptic number.

544550642403 is a deficient number, since it is larger than the sum of its proper divisors (181516880805).

544550642403 is a wasteful number, since it uses less digits than its factorization.

544550642403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181516880804.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 544550642403 its reverse (304246055445), we get a palindrome (848796697848).

The spelling of 544550642403 in words is "five hundred forty-four billion, five hundred fifty million, six hundred forty-two thousand, four hundred three".