2602127098321 has 9 divisors (see below), whose sum is σ = 2606507599899. Its totient is φ = 2597753954400.

The previous prime is 2602127098289. The next prime is 2602127098349. The reversal of 2602127098321 is 1238907212062.

The square root of 2602127098321 is 1613111.

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

2602127098321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 456488058321 + 2145639040000 = 675639^2 + 1464800^2 .

It is not a de Polignac number, because 2602127098321 - 2⁵ = 2602127098289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2602127092321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1421149876 + ... + 1421151706.

Almost surely, 2^{2602127098321} is an apocalyptic number.

2602127098321 is the 1613111-st square number.

2602127098321 is the 806556-th centered octagonal number.

It is an amenable number.

2602127098321 is a deficient number, since it is larger than the sum of its proper divisors (4380501578).

2602127098321 is an frugal number, since it uses more digits than its factorization.

2602127098321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424 (or 2712 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 2602127098321 in words is "two trillion, six hundred two billion, one hundred twenty-seven million, ninety-eight thousand, three hundred twenty-one".