3648774797 has 2 divisors, whose sum is σ = 3648774798. Its totient is φ = 3648774796.

The previous prime is 3648774791. The next prime is 3648774799. The reversal of 3648774797 is 7974778463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3489737476 + 159037321 = 59074^2 + 12611^2 .

It is an emirp because it is prime and its reverse (7974778463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3648774797 - 2⁴ = 3648774781 is a prime.

Together with 3648774799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648774791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824387398 + 1824387399.

It is an arithmetic number, because the mean of its divisors is an integer number (1824387399).

Almost surely, 2^3648774797 is an apocalyptic number.

It is an amenable number.

3648774797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648774797 is an equidigital number, since it uses as much as digits as its factorization.

3648774797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49787136, while the sum is 62.

The square root of 3648774797 is about 60405.0891647384. The cubic root of 3648774797 is about 1539.5094289747.

The spelling of 3648774797 in words is "three billion, six hundred forty-eight million, seven hundred seventy-four thousand, seven hundred ninety-seven".