6235617682649 has 2 divisors, whose sum is σ = 6235617682650. Its totient is φ = 6235617682648.

The previous prime is 6235617682633. The next prime is 6235617682661. The reversal of 6235617682649 is 9462867165326.

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., 3747089347600 + 2488528335049 = 1935740^2 + 1577507^2 .

It is a cyclic number.

It is not a de Polignac number, because 6235617682649 - 2⁴ = 6235617682633 is a prime.

It is not a weakly prime, because it can be changed into another prime (6235617682549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3117808841324 + 3117808841325.

It is an arithmetic number, because the mean of its divisors is an integer number (3117808841325).

Almost surely, 2^{6235617682649} is an apocalyptic number.

It is an amenable number.

6235617682649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6235617682649 is an equidigital number, since it uses as much as digits as its factorization.

6235617682649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156764160, while the sum is 65.

The spelling of 6235617682649 in words is "six trillion, two hundred thirty-five billion, six hundred seventeen million, six hundred eighty-two thousand, six hundred forty-nine".