4080787481 has 2 divisors, whose sum is σ = 4080787482. Its totient is φ = 4080787480.

The previous prime is 4080787471. The next prime is 4080787499. The reversal of 4080787481 is 1847870804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4071078025 + 9709456 = 63805^2 + 3116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4080787481 is a prime.

It is a super-2 number, since 2×4080787481² = 33305652930172650722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4080787411) 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 as a sum of consecutive naturals, namely, 2040393740 + 2040393741.

It is an arithmetic number, because the mean of its divisors is an integer number (2040393741).

Almost surely, 2^4080787481 is an apocalyptic number.

It is an amenable number.

4080787481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4080787481 is an equidigital number, since it uses as much as digits as its factorization.

4080787481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 401408, while the sum is 47.

The square root of 4080787481 is about 63881.0416399107. The cubic root of 4080787481 is about 1598.0167459606.

The spelling of 4080787481 in words is "four billion, eighty million, seven hundred eighty-seven thousand, four hundred eighty-one".