505214554646 has 16 divisors (see below), whose sum is σ = 790840800000. Its totient is φ = 241602904488.

The previous prime is 505214554633. The next prime is 505214554679. The reversal of 505214554646 is 646455412505.

It is a super-2 number, since 2×505214554646² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505214554646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42605 + ... + 1006103.

It is an arithmetic number, because the mean of its divisors is an integer number (49427550000).

Almost surely, 2^505214554646 is an apocalyptic number.

505214554646 is a deficient number, since it is larger than the sum of its proper divisors (285626245354).

505214554646 is a wasteful number, since it uses less digits than its factorization.

505214554646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974923.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 505214554646 in words is "five hundred five billion, two hundred fourteen million, five hundred fifty-four thousand, six hundred forty-six".