544790471509 has 4 divisors (see below), whose sum is σ = 573463654240. Its totient is φ = 516117288780.

The previous prime is 544790471429. The next prime is 544790471513. The reversal of 544790471509 is 905174097445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 544790471509 - 2¹³ = 544790463317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544790471509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544790471539) 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, 14336591337 + ... + 14336591374.

It is an arithmetic number, because the mean of its divisors is an integer number (143365913560).

Almost surely, 2^544790471509 is an apocalyptic number.

It is an amenable number.

544790471509 is a deficient number, since it is larger than the sum of its proper divisors (28673182731).

544790471509 is a wasteful number, since it uses less digits than its factorization.

544790471509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28673182730.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 544790471509 in words is "five hundred forty-four billion, seven hundred ninety million, four hundred seventy-one thousand, five hundred nine".