2721412481 has 2 divisors, whose sum is σ = 2721412482. Its totient is φ = 2721412480.

The previous prime is 2721412439. The next prime is 2721412487. The reversal of 2721412481 is 1842141272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2532102400 + 189310081 = 50320^2 + 13759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2721412481 - 2³⁰ = 1647670657 is a prime.

It is a super-2 number, since 2×2721412481² = 14812171783485150722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2721412487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360706240 + 1360706241.

It is an arithmetic number, because the mean of its divisors is an integer number (1360706241).

Almost surely, 2^2721412481 is an apocalyptic number.

It is an amenable number.

2721412481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721412481 is an equidigital number, since it uses as much as digits as its factorization.

2721412481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 32.

The square root of 2721412481 is about 52167.1590274954. The cubic root of 2721412481 is about 1396.1479964018.

The spelling of 2721412481 in words is "two billion, seven hundred twenty-one million, four hundred twelve thousand, four hundred eighty-one".