504294886393 has 4 divisors (see below), whose sum is σ = 505094086528. Its totient is φ = 503495686260.

The previous prime is 504294886391. The next prime is 504294886397. The reversal of 504294886393 is 393688492405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 504294886393 - 2¹ = 504294886391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504294886391) 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, 399599121 + ... + 399600382.

It is an arithmetic number, because the mean of its divisors is an integer number (126273521632).

Almost surely, 2^504294886393 is an apocalyptic number.

It is an amenable number.

504294886393 is a deficient number, since it is larger than the sum of its proper divisors (799200135).

504294886393 is an equidigital number, since it uses as much as digits as its factorization.

504294886393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799200134.

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 504294886393 in words is "five hundred four billion, two hundred ninety-four million, eight hundred eighty-six thousand, three hundred ninety-three".