7136719481 has 2 divisors, whose sum is σ = 7136719482. Its totient is φ = 7136719480.

The previous prime is 7136719477. The next prime is 7136719483. The reversal of 7136719481 is 1849176317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5712336400 + 1424383081 = 75580^2 + 37741^2 .

It is an emirp because it is prime and its reverse (1849176317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7136719481 - 2² = 7136719477 is a prime.

It is a super-2 number, since 2×7136719481² (a number of 21 digits) contains 22 as substring.

Together with 7136719483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7136719483) 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, 3568359740 + 3568359741.

It is an arithmetic number, because the mean of its divisors is an integer number (3568359741).

Almost surely, 2^7136719481 is an apocalyptic number.

It is an amenable number.

7136719481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7136719481 is an equidigital number, since it uses as much as digits as its factorization.

7136719481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 7136719481 is about 84479.1067720297. The cubic root of 7136719481 is about 1925.3050154560.

The spelling of 7136719481 in words is "seven billion, one hundred thirty-six million, seven hundred nineteen thousand, four hundred eighty-one".