60859409809 has 27 divisors (see below), whose sum is σ = 68692014363. Its totient is φ = 53878624800.

The previous prime is 60859409797. The next prime is 60859409833. The reversal of 60859409809 is 90890495806.

The square root of 60859409809 is 246697.

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

It can be written as a sum of positive squares in only one way, i.e., 2932547409 + 57926862400 = 54153^2 + 240680^2 .

It is a de Polignac number, because none of the positive numbers 2^k-60859409809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60859409869) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 111260074 + ... + 111260620.

Almost surely, 2^60859409809 is an apocalyptic number.

60859409809 is the 246697-th square number.

60859409809 is the 123349-th centered octagonal number.

It is an amenable number.

60859409809 is a deficient number, since it is larger than the sum of its proper divisors (7832604554).

60859409809 is an frugal number, since it uses more digits than its factorization.

60859409809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 60859409809 in words is "sixty billion, eight hundred fifty-nine million, four hundred nine thousand, eight hundred nine".