505363640413 has 8 divisors (see below), whose sum is σ = 505809074232. Its totient is φ = 504918391296.

The previous prime is 505363640363. The next prime is 505363640437. The reversal of 505363640413 is 314046363505.

It can be written as a sum of positive squares in 4 ways, for example, as 96073341849 + 409290298564 = 309957^2 + 639758^2 .

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 505363640413 - 2²¹ = 505361543261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505363640513) 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, 5744031 + ... + 5831347.

It is an arithmetic number, because the mean of its divisors is an integer number (63226134279).

Almost surely, 2^505363640413 is an apocalyptic number.

It is an amenable number.

505363640413 is a deficient number, since it is larger than the sum of its proper divisors (445433819).

505363640413 is a wasteful number, since it uses less digits than its factorization.

505363640413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92351.

The product of its (nonzero) digits is 388800, while the sum is 40.

It can be divided in two parts, 5053636 and 40413, that added together give a square (5094049 = 2257²).

The spelling of 505363640413 in words is "five hundred five billion, three hundred sixty-three million, six hundred forty thousand, four hundred thirteen".