103911909653 has 2 divisors, whose sum is σ = 103911909654. Its totient is φ = 103911909652.

The previous prime is 103911909649. The next prime is 103911909679. The reversal of 103911909653 is 356909119301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79117313284 + 24794596369 = 281278^2 + 157463^2 .

It is a cyclic number.

It is not a de Polignac number, because 103911909653 - 2² = 103911909649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103911909598 and 103911909607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103911909623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51955954826 + 51955954827.

It is an arithmetic number, because the mean of its divisors is an integer number (51955954827).

Almost surely, 2^103911909653 is an apocalyptic number.

It is an amenable number.

103911909653 is a deficient number, since it is larger than the sum of its proper divisors (1).

103911909653 is an equidigital number, since it uses as much as digits as its factorization.

103911909653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 47.

The spelling of 103911909653 in words is "one hundred three billion, nine hundred eleven million, nine hundred nine thousand, six hundred fifty-three".