49134485569 has 45 divisors (see below), whose sum is σ = 57504434223. Its totient is φ = 41963465856.

The previous prime is 49134485549. The next prime is 49134485593. The reversal of 49134485569 is 96558443194.

The square root of 49134485569 is 221663.

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

It can be written as a sum of positive squares in 7 ways, for example, as 14987880625 + 34146604944 = 122425^2 + 184788^2 .

It is not a de Polignac number, because 49134485569 - 2¹⁹ = 49133961281 is a prime.

It is a super-2 number, since 2×49134485569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49134485539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 832787862 + ... + 832787920.

Almost surely, 2^49134485569 is an apocalyptic number.

49134485569 is the 221663-rd square number.

49134485569 is the 110832-nd centered octagonal number.

It is an amenable number.

49134485569 is a deficient number, since it is larger than the sum of its proper divisors (8369948654).

49134485569 is an frugal number, since it uses more digits than its factorization.

49134485569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 89 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 49134485569 in words is "forty-nine billion, one hundred thirty-four million, four hundred eighty-five thousand, five hundred sixty-nine".