107639247649 has 2 divisors, whose sum is σ = 107639247650. Its totient is φ = 107639247648.

The previous prime is 107639247629. The next prime is 107639247689. The reversal of 107639247649 is 946742936701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103539150625 + 4100097024 = 321775^2 + 64032^2 .

It is a cyclic number.

It is not a de Polignac number, because 107639247649 - 2⁹ = 107639247137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107639247593 and 107639247602.

It is not a weakly prime, because it can be changed into another prime (107639247629) 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, 53819623824 + 53819623825.

It is an arithmetic number, because the mean of its divisors is an integer number (53819623825).

Almost surely, 2^107639247649 is an apocalyptic number.

It is an amenable number.

107639247649 is a deficient number, since it is larger than the sum of its proper divisors (1).

107639247649 is an equidigital number, since it uses as much as digits as its factorization.

107639247649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 107639247649 in words is "one hundred seven billion, six hundred thirty-nine million, two hundred forty-seven thousand, six hundred forty-nine".