505236025799 has 4 divisors (see below), whose sum is σ = 505245686736. Its totient is φ = 505226364864.

The previous prime is 505236025793. The next prime is 505236025837. The reversal of 505236025799 is 997520632505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505236025799 - 2²⁰ = 505234977223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505236025799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505236025793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4751594 + ... + 4856759.

It is an arithmetic number, because the mean of its divisors is an integer number (126311421684).

Almost surely, 2^505236025799 is an apocalyptic number.

505236025799 is a deficient number, since it is larger than the sum of its proper divisors (9660937).

505236025799 is an equidigital number, since it uses as much as digits as its factorization.

505236025799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660936.

The product of its (nonzero) digits is 5103000, while the sum is 53.

The spelling of 505236025799 in words is "five hundred five billion, two hundred thirty-six million, twenty-five thousand, seven hundred ninety-nine".