4561326481 has 2 divisors, whose sum is σ = 4561326482. Its totient is φ = 4561326480.

The previous prime is 4561326463. The next prime is 4561326493. The reversal of 4561326481 is 1846231654.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3115425856 + 1445900625 = 55816^2 + 38025^2 .

It is a cyclic number.

It is not a de Polignac number, because 4561326481 - 2⁵ = 4561326449 is a prime.

It is a super-2 number, since 2×4561326481² = 41611398532543686722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4561326401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280663240 + 2280663241.

It is an arithmetic number, because the mean of its divisors is an integer number (2280663241).

Almost surely, 2^4561326481 is an apocalyptic number.

It is an amenable number.

4561326481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4561326481 is an equidigital number, since it uses as much as digits as its factorization.

4561326481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 4561326481 is about 67537.5930945129. The cubic root of 4561326481 is about 1658.4296467976.

The spelling of 4561326481 in words is "four billion, five hundred sixty-one million, three hundred twenty-six thousand, four hundred eighty-one".