7662838481 has 2 divisors, whose sum is σ = 7662838482. Its totient is φ = 7662838480.

The previous prime is 7662838471. The next prime is 7662838531. The reversal of 7662838481 is 1848382667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5186880400 + 2475958081 = 72020^2 + 49759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7662838481 is a prime.

It is a super-2 number, since 2×7662838481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7662838471) 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, 3831419240 + 3831419241.

It is an arithmetic number, because the mean of its divisors is an integer number (3831419241).

Almost surely, 2^7662838481 is an apocalyptic number.

It is an amenable number.

7662838481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7662838481 is an equidigital number, since it uses as much as digits as its factorization.

7662838481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 53.

The square root of 7662838481 is about 87537.6403668730. The cubic root of 7662838481 is about 1971.4989820380.

The spelling of 7662838481 in words is "seven billion, six hundred sixty-two million, eight hundred thirty-eight thousand, four hundred eighty-one".