5305449733857 has 256 divisors, whose sum is σ = 10415911403520. Its totient is φ = 2592717963264.

The previous prime is 5305449733853. The next prime is 5305449733879. The reversal of 5305449733857 is 7583379445035.

5305449733857 is a `hidden beast` number, since 5 + 3 + 0 + 544 + 9 + 7 + 3 + 3 + 85 + 7 = 666.

It is not a de Polignac number, because 5305449733857 - 2² = 5305449733853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 5305449733794 and 5305449733803.

It is not an unprimeable number, because it can be changed into a prime (5305449733853) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 257623353 + ... + 257643945.

It is an arithmetic number, because the mean of its divisors is an integer number (40687153920).

Almost surely, 2^{5305449733857} is an apocalyptic number.

It is an amenable number.

5305449733857 is a deficient number, since it is larger than the sum of its proper divisors (5110461669663).

5305449733857 is a wasteful number, since it uses less digits than its factorization.

5305449733857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20789 (or 20783 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 63.

It can be divided in two parts, 5305449 and 733857, that added together give a palindrome (6039306).

The spelling of 5305449733857 in words is "five trillion, three hundred five billion, four hundred forty-nine million, seven hundred thirty-three thousand, eight hundred fifty-seven".