7236684881 has 2 divisors, whose sum is σ = 7236684882. Its totient is φ = 7236684880.

The previous prime is 7236684841. The next prime is 7236684913. The reversal of 7236684881 is 1884866327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4009422400 + 3227262481 = 63320^2 + 56809^2 .

It is an emirp because it is prime and its reverse (1884866327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7236684881 - 2⁶ = 7236684817 is a prime.

It is a super-2 number, since 2×7236684881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7236684841) 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, 3618342440 + 3618342441.

It is an arithmetic number, because the mean of its divisors is an integer number (3618342441).

Almost surely, 2^7236684881 is an apocalyptic number.

It is an amenable number.

7236684881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7236684881 is an equidigital number, since it uses as much as digits as its factorization.

7236684881 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 7236684881 is about 85068.7068257182. The cubic root of 7236684881 is about 1934.2527394334.

The spelling of 7236684881 in words is "seven billion, two hundred thirty-six million, six hundred eighty-four thousand, eight hundred eighty-one".