505533341636 has 12 divisors (see below), whose sum is σ = 884688943740. Its totient is φ = 252765072000.

The previous prime is 505533341587. The next prime is 505533341671. The reversal of 505533341636 is 636143335505.

It can be written as a sum of positive squares in 2 ways, for example, as 161837244100 + 343696097536 = 402290^2 + 586256^2 .

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, 576800 + ... + 1159208.

It is an arithmetic number, because the mean of its divisors is an integer number (73724078645).

Almost surely, 2^505533341636 is an apocalyptic number.

It is an amenable number.

505533341636 is a deficient number, since it is larger than the sum of its proper divisors (379155602104).

505533341636 is a wasteful number, since it uses less digits than its factorization.

505533341636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799414 (or 799412 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 44.

The spelling of 505533341636 in words is "five hundred five billion, five hundred thirty-three million, three hundred forty-one thousand, six hundred thirty-six".