505213006406 has 16 divisors (see below), whose sum is σ = 761734735200. Its totient is φ = 251304600768.

The previous prime is 505213006399. The next prime is 505213006429. The reversal of 505213006406 is 604600312505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474146 + ... + 1111413.

It is an arithmetic number, because the mean of its divisors is an integer number (47608420950).

Almost surely, 2^505213006406 is an apocalyptic number.

505213006406 is a deficient number, since it is larger than the sum of its proper divisors (256521728794).

505213006406 is a wasteful number, since it uses less digits than its factorization.

505213006406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586383.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 505213006406 in words is "five hundred five billion, two hundred thirteen million, six thousand, four hundred six".