4860089202721 has 3 divisors (see below), whose sum is σ = 4860091407283. Its totient is φ = 4860086998160.

The previous prime is 4860089202649. The next prime is 4860089202757. The reversal of 4860089202721 is 1272029800684.

The square root of 4860089202721 is 2204561.

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., 4736016185121 + 124073017600 = 2176239^2 + 352240^2 .

It is not a de Polignac number, because 4860089202721 - 2²⁷ = 4859954984993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4860089202791) 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, 1102281 + ... + 3306841.

Almost surely, 2^{4860089202721} is an apocalyptic number.

4860089202721 is the 2204561-st square number.

4860089202721 is the 1102281-st centered octagonal number.

It is an amenable number.

4860089202721 is a deficient number, since it is larger than the sum of its proper divisors (2204562).

4860089202721 is an frugal number, since it uses more digits than its factorization.

4860089202721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409122 (or 2204561 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

Multiplying 4860089202721 by its sum of digits (49), we get a square (238144370933329 = 15431927²).

The spelling of 4860089202721 in words is "four trillion, eight hundred sixty billion, eighty-nine million, two hundred two thousand, seven hundred twenty-one".