506390954643 has 12 divisors (see below), whose sum is σ = 835946972848. Its totient is φ = 289366259760.

The previous prime is 506390954611. The next prime is 506390954651. The reversal of 506390954643 is 346459093605.

506390954643 is a `hidden beast` number, since 5 + 0 + 6 + 3 + 90 + 9 + 546 + 4 + 3 = 666.

It is not a de Polignac number, because 506390954643 - 2⁵ = 506390954611 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 506390954643.

It is not an unprimeable number, because it can be changed into a prime (506390954603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4018975768 + ... + 4018975893.

Almost surely, 2^506390954643 is an apocalyptic number.

506390954643 is a deficient number, since it is larger than the sum of its proper divisors (329556018205).

506390954643 is a wasteful number, since it uses less digits than its factorization.

506390954643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037951674 (or 8037951671 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 54.

The spelling of 506390954643 in words is "five hundred six billion, three hundred ninety million, nine hundred fifty-four thousand, six hundred forty-three".