2466214921 has 9 divisors (see below), whose sum is σ = 2516310741. Its totient is φ = 2417100192.

The previous prime is 2466214873. The next prime is 2466214963. The reversal of 2466214921 is 1294126642.

The square root of 2466214921 is 49661.

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

It can be written as a sum of positive squares in 4 ways, for example, as 251571321 + 2214643600 = 15861^2 + 47060^2 .

It is not a de Polignac number, because 2466214921 - 2²¹ = 2464117769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2466214981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2631565 + ... + 2632501.

Almost surely, 2^2466214921 is an apocalyptic number.

2466214921 is the 49661-st square number.

2466214921 is the 24831-st centered octagonal number.

It is an amenable number.

2466214921 is a deficient number, since it is larger than the sum of its proper divisors (50095820).

2466214921 is an frugal number, since it uses more digits than its factorization.

2466214921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980 (or 990 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The cubic root of 2466214921 is about 1351.0672714326.

The spelling of 2466214921 in words is "two billion, four hundred sixty-six million, two hundred fourteen thousand, nine hundred twenty-one".