2327629281649 has 27 divisors (see below), whose sum is σ = 2749511478987. Its totient is φ = 1964728879344.

The previous prime is 2327629281583. The next prime is 2327629281707. The reversal of 2327629281649 is 9461829267232.

The square root of 2327629281649 is 1525657.

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., 2316194829025 + 11434452624 = 1521905^2 + 106932^2 .

It is not a de Polignac number, because 2327629281649 - 2¹⁹ = 2327628757361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2327629281049) 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, 715531507 + ... + 715534759.

It is an arithmetic number, because the mean of its divisors is an integer number (101833758481).

Almost surely, 2^{2327629281649} is an apocalyptic number.

2327629281649 is the 1525657-th square number.

2327629281649 is the 762829-th centered octagonal number.

It is an amenable number.

2327629281649 is a deficient number, since it is larger than the sum of its proper divisors (421882197338).

2327629281649 is an frugal number, since it uses more digits than its factorization.

2327629281649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654 (or 3327 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 61.

The spelling of 2327629281649 in words is "two trillion, three hundred twenty-seven billion, six hundred twenty-nine million, two hundred eighty-one thousand, six hundred forty-nine".