505074811922 has 18 divisors (see below), whose sum is σ = 799615426293. Its totient is φ = 239236917984.

The previous prime is 505074811909. The next prime is 505074811933. The reversal of 505074811922 is 229118470505.

It can be written as a sum of positive squares in 2 ways, for example, as 404624482201 + 100450329721 = 636101^2 + 316939^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=502531.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19082954 + ... + 19109402.

Almost surely, 2^505074811922 is an apocalyptic number.

505074811922 is a deficient number, since it is larger than the sum of its proper divisors (294540614371).

505074811922 is an frugal number, since it uses more digits than its factorization.

505074811922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52938 (or 26470 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 505074811922 in words is "five hundred five billion, seventy-four million, eight hundred eleven thousand, nine hundred twenty-two".