4537880681 has 2 divisors, whose sum is σ = 4537880682. Its totient is φ = 4537880680.

The previous prime is 4537880623. The next prime is 4537880759. The reversal of 4537880681 is 1860887354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4085255056 + 452625625 = 63916^2 + 21275^2 .

It is a cyclic number.

It is not a de Polignac number, because 4537880681 - 2²⁶ = 4470771817 is a prime.

It is a super-2 number, since 2×4537880681² = 41184722149986047522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4537880621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2268940340 + 2268940341.

It is an arithmetic number, because the mean of its divisors is an integer number (2268940341).

Almost surely, 2^4537880681 is an apocalyptic number.

It is an amenable number.

4537880681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4537880681 is an equidigital number, since it uses as much as digits as its factorization.

4537880681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 4537880681 is about 67363.7935466820. The cubic root of 4537880681 is about 1655.5832509500.

The spelling of 4537880681 in words is "four billion, five hundred thirty-seven million, eight hundred eighty thousand, six hundred eighty-one".