506454337541 has 4 divisors (see below), whose sum is σ = 517229961792. Its totient is φ = 495678713292.

The previous prime is 506454337511. The next prime is 506454337547. The reversal of 506454337541 is 145733454605.

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, and also an emirpimes, since its reverse is a distinct semiprime: 145733454605 = 5 ⋅29146690921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506454337541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 10775624203 = 506454337541 / (5 + 0 + 6 + 4 + 5 + 4 + 3 + 3 + 7 + 5 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506454337547) 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, 5387812055 + ... + 5387812148.

It is an arithmetic number, because the mean of its divisors is an integer number (129307490448).

Almost surely, 2^506454337541 is an apocalyptic number.

It is an amenable number.

506454337541 is a deficient number, since it is larger than the sum of its proper divisors (10775624251).

506454337541 is a wasteful number, since it uses less digits than its factorization.

506454337541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10775624250.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 506454337541 in words is "five hundred six billion, four hundred fifty-four million, three hundred thirty-seven thousand, five hundred forty-one".