109163613649 has 2 divisors, whose sum is σ = 109163613650. Its totient is φ = 109163613648.

The previous prime is 109163613641. The next prime is 109163613653. The reversal of 109163613649 is 946316361901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72896220049 + 36267393600 = 269993^2 + 190440^2 .

It is a cyclic number.

It is not a de Polignac number, because 109163613649 - 2³ = 109163613641 is a prime.

It is not a weakly prime, because it can be changed into another prime (109163613641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54581806824 + 54581806825.

It is an arithmetic number, because the mean of its divisors is an integer number (54581806825).

Almost surely, 2^109163613649 is an apocalyptic number.

It is an amenable number.

109163613649 is a deficient number, since it is larger than the sum of its proper divisors (1).

109163613649 is an equidigital number, since it uses as much as digits as its factorization.

109163613649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 109163613649 in words is "one hundred nine billion, one hundred sixty-three million, six hundred thirteen thousand, six hundred forty-nine".