60739772769 has 24 divisors (see below), whose sum is σ = 95320254120. Its totient is φ = 37047532032.

The previous prime is 60739772741. The next prime is 60739772771. The reversal of 60739772769 is 96727793706.

It can be written as a sum of positive squares in 4 ways, for example, as 98247744 + 60641525025 = 9912^2 + 246255^2 .

It is not a de Polignac number, because 60739772769 - 2⁹ = 60739772257 is a prime.

It is a super-4 number, since 4×60739772769⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (60739772369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2283874 + ... + 2310315.

It is an arithmetic number, because the mean of its divisors is an integer number (3971677255).

Almost surely, 2^60739772769 is an apocalyptic number.

It is an amenable number.

60739772769 is a deficient number, since it is larger than the sum of its proper divisors (34580481351).

60739772769 is a wasteful number, since it uses less digits than its factorization.

60739772769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594321 (or 4594318 counting only the distinct ones).

The product of its (nonzero) digits is 42007896, while the sum is 63.

The spelling of 60739772769 in words is "sixty billion, seven hundred thirty-nine million, seven hundred seventy-two thousand, seven hundred sixty-nine".