505363640253 has 8 divisors (see below), whose sum is σ = 677952041568. Its totient is φ = 334842166224.

The previous prime is 505363640237. The next prime is 505363640263. The reversal of 505363640253 is 352046363505.

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

It is not a de Polignac number, because 505363640253 - 2⁴ = 505363640237 is a prime.

It is a super-3 number, since 3×505363640253³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505363640263) 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, 516731250 + ... + 516732227.

It is an arithmetic number, because the mean of its divisors is an integer number (84744005196).

Almost surely, 2^505363640253 is an apocalyptic number.

It is an amenable number.

505363640253 is a deficient number, since it is larger than the sum of its proper divisors (172588401315).

505363640253 is a wasteful number, since it uses less digits than its factorization.

505363640253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033463643.

The product of its (nonzero) digits is 972000, while the sum is 42.

The spelling of 505363640253 in words is "five hundred five billion, three hundred sixty-three million, six hundred forty thousand, two hundred fifty-three".