6740482621 has 2 divisors, whose sum is σ = 6740482622. Its totient is φ = 6740482620.

The previous prime is 6740482597. The next prime is 6740482631. The reversal of 6740482621 is 1262840476.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6685515225 + 54967396 = 81765^2 + 7414^2 .

It is a cyclic number.

It is not a de Polignac number, because 6740482621 - 2⁹ = 6740482109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6740482631) 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, 3370241310 + 3370241311.

It is an arithmetic number, because the mean of its divisors is an integer number (3370241311).

Almost surely, 2^6740482621 is an apocalyptic number.

It is an amenable number.

6740482621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740482621 is an equidigital number, since it uses as much as digits as its factorization.

6740482621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 6740482621 is about 82100.4422704287. The cubic root of 6740482621 is about 1888.9929240032.

The spelling of 6740482621 in words is "six billion, seven hundred forty million, four hundred eighty-two thousand, six hundred twenty-one".