60855462721 has 3 divisors (see below), whose sum is σ = 60855709411. Its totient is φ = 60855216032.

The previous prime is 60855462667. The next prime is 60855462743. The reversal of 60855462721 is 12726455806.

The square root of 60855462721 is 246689.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3677088321 + 57178374400 = 60639^2 + 239120^2 .

It is not a de Polignac number, because 60855462721 - 2¹³ = 60855454529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60855462761) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 123345 + ... + 370033.

Almost surely, 2^60855462721 is an apocalyptic number.

60855462721 is the 246689-th square number.

60855462721 is the 123345-th centered octagonal number.

It is an amenable number.

60855462721 is a deficient number, since it is larger than the sum of its proper divisors (246690).

60855462721 is an frugal number, since it uses more digits than its factorization.

60855462721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493378 (or 246689 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 60855462721 in words is "sixty billion, eight hundred fifty-five million, four hundred sixty-two thousand, seven hundred twenty-one".