109953917659 has 2 divisors, whose sum is σ = 109953917660. Its totient is φ = 109953917658.

The previous prime is 109953917651. The next prime is 109953917699. The reversal of 109953917659 is 956719359901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109953917659 - 2³ = 109953917651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109953917659.

It is not a weakly prime, because it can be changed into another prime (109953917651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54976958829 + 54976958830.

It is an arithmetic number, because the mean of its divisors is an integer number (54976958830).

Almost surely, 2^109953917659 is an apocalyptic number.

109953917659 is a deficient number, since it is larger than the sum of its proper divisors (1).

109953917659 is an equidigital number, since it uses as much as digits as its factorization.

109953917659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20667150, while the sum is 64.

The spelling of 109953917659 in words is "one hundred nine billion, nine hundred fifty-three million, nine hundred seventeen thousand, six hundred fifty-nine".