8481807437 has 2 divisors, whose sum is σ = 8481807438. Its totient is φ = 8481807436.

The previous prime is 8481807419. The next prime is 8481807449. The reversal of 8481807437 is 7347081848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8017232521 + 464574916 = 89539^2 + 21554^2 .

It is a cyclic number.

It is not a de Polignac number, because 8481807437 - 2⁸ = 8481807181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8481807457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240903718 + 4240903719.

It is an arithmetic number, because the mean of its divisors is an integer number (4240903719).

Almost surely, 2^8481807437 is an apocalyptic number.

It is an amenable number.

8481807437 is a deficient number, since it is larger than the sum of its proper divisors (1).

8481807437 is an equidigital number, since it uses as much as digits as its factorization.

8481807437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The square root of 8481807437 is about 92096.7286986894. The cubic root of 8481807437 is about 2039.3705155225.

The spelling of 8481807437 in words is "eight billion, four hundred eighty-one million, eight hundred seven thousand, four hundred thirty-seven".