505137633268 has 12 divisors (see below), whose sum is σ = 884108949220. Its totient is φ = 252535076352.

The previous prime is 505137633251. The next prime is 505137633323. The reversal of 505137633268 is 862336731505.

It can be written as a sum of positive squares in 2 ways, for example, as 108512265744 + 396625367524 = 329412^2 + 629782^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8401371 + ... + 8461282.

Almost surely, 2^505137633268 is an apocalyptic number.

It is an amenable number.

505137633268 is a deficient number, since it is larger than the sum of its proper divisors (378971315952).

505137633268 is a wasteful number, since it uses less digits than its factorization.

505137633268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16870146 (or 16870144 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 505137633268 in words is "five hundred five billion, one hundred thirty-seven million, six hundred thirty-three thousand, two hundred sixty-eight".