49798468580809 has 9 divisors (see below), whose sum is σ = 53923884842919. Its totient is φ = 45967732469880.

The previous prime is 49798468580801. The next prime is 49798468580867. The reversal of 49798468580809 is 90808586489794.

The square root of 49798468580809 is 7056803.

It is a perfect power (a square), and thus also a powerful number.

49798468580809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7366637364025 + 42431831216784 = 2714155^2 + 6513972^2 .

It is not a de Polignac number, because 49798468580809 - 2³ = 49798468580801 is a prime.

It is a super-2 number, since 2×49798468580809² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49798468580801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 91467024 + ... + 92009854.

Almost surely, 2^{49798468580809} is an apocalyptic number.

49798468580809 is the 7056803-rd square number.

49798468580809 is the 3528402-nd centered octagonal number.

It is an amenable number.

49798468580809 is a deficient number, since it is larger than the sum of its proper divisors (4125416262110).

49798468580809 is an frugal number, since it uses more digits than its factorization.

49798468580809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085688 (or 542844 counting only the distinct ones).

The product of its (nonzero) digits is 10032906240, while the sum is 85.

The spelling of 49798468580809 in words is "forty-nine trillion, seven hundred ninety-eight billion, four hundred sixty-eight million, five hundred eighty thousand, eight hundred nine".