2630588804281 has 3 divisors (see below), whose sum is σ = 2630590426191. Its totient is φ = 2630587182372.

The previous prime is 2630588804237. The next prime is 2630588804297. The reversal of 2630588804281 is 1824088850362.

The square root of 2630588804281 is 1621909.

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., 1245212723881 + 1385376080400 = 1115891^2 + 1177020^2 .

It is not a de Polignac number, because 2630588804281 - 2⁹ = 2630588803769 is a prime.

It is a super-2 number, since 2×2630588804281² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2630588814281) 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, 810955 + ... + 2432863.

It is an arithmetic number, because the mean of its divisors is an integer number (876863475397).

Almost surely, 2^{2630588804281} is an apocalyptic number.

2630588804281 is the 1621909-th square number.

2630588804281 is the 810955-th centered octagonal number.

It is an amenable number.

2630588804281 is a deficient number, since it is larger than the sum of its proper divisors (1621910).

2630588804281 is an frugal number, since it uses more digits than its factorization.

2630588804281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243818 (or 1621909 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 2630588804281 in words is "two trillion, six hundred thirty billion, five hundred eighty-eight million, eight hundred four thousand, two hundred eighty-one".