504911949 has 4 divisors (see below), whose sum is σ = 673215936. Its totient is φ = 336607964.

The previous prime is 504911941. The next prime is 504911963. The reversal of 504911949 is 949119405.

It is a happy number.

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 504911949 - 2³ = 504911941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504911949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504911941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84151989 + ... + 84151994.

It is an arithmetic number, because the mean of its divisors is an integer number (168303984).

Almost surely, 2^504911949 is an apocalyptic number.

It is an amenable number.

504911949 is a deficient number, since it is larger than the sum of its proper divisors (168303987).

504911949 is a wasteful number, since it uses less digits than its factorization.

504911949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168303986.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 504911949 is about 22470.2458598031. The cubic root of 504911949 is about 796.2911387782.

The spelling of 504911949 in words is "five hundred four million, nine hundred eleven thousand, nine hundred forty-nine".