505213603563 has 8 divisors (see below), whose sum is σ = 673630157376. Its totient is φ = 336803059400.

The previous prime is 505213603561. The next prime is 505213603567. The reversal of 505213603563 is 365306312505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505213603563 - 2¹ = 505213603561 is a prime.

It is a super-2 number, since 2×505213603563² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505213603561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302453 + ... + 1645238.

It is an arithmetic number, because the mean of its divisors is an integer number (84203769672).

Almost surely, 2^505213603563 is an apocalyptic number.

505213603563 is a deficient number, since it is larger than the sum of its proper divisors (168416553813).

505213603563 is a wasteful number, since it uses less digits than its factorization.

505213603563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004825.

The product of its (nonzero) digits is 243000, while the sum is 39.

The spelling of 505213603563 in words is "five hundred five billion, two hundred thirteen million, six hundred three thousand, five hundred sixty-three".