5641462081 has 2 divisors, whose sum is σ = 5641462082. Its totient is φ = 5641462080.

The previous prime is 5641462069. The next prime is 5641462139. The reversal of 5641462081 is 1802641465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3229080625 + 2412381456 = 56825^2 + 49116^2 .

It is a cyclic number.

It is not a de Polignac number, because 5641462081 - 2¹³ = 5641453889 is a prime.

It is a super-2 number, since 2×5641462081² = 63652188822721701122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5641462081.

It is not a weakly prime, because it can be changed into another prime (5641462031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820731040 + 2820731041.

It is an arithmetic number, because the mean of its divisors is an integer number (2820731041).

Almost surely, 2^5641462081 is an apocalyptic number.

It is an amenable number.

5641462081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5641462081 is an equidigital number, since it uses as much as digits as its factorization.

5641462081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 5641462081 is about 75109.6670276204. The cubic root of 5641462081 is about 1780.1798918682.

The spelling of 5641462081 in words is "five billion, six hundred forty-one million, four hundred sixty-two thousand, eighty-one".