103810809643 has 2 divisors, whose sum is σ = 103810809644. Its totient is φ = 103810809642.

The previous prime is 103810809593. The next prime is 103810809653. The reversal of 103810809643 is 346908018301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103810809643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103810809643.

It is not a weakly prime, because it can be changed into another prime (103810809653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51905404821 + 51905404822.

It is an arithmetic number, because the mean of its divisors is an integer number (51905404822).

Almost surely, 2^103810809643 is an apocalyptic number.

103810809643 is a deficient number, since it is larger than the sum of its proper divisors (1).

103810809643 is an equidigital number, since it uses as much as digits as its factorization.

103810809643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 103810809643 in words is "one hundred three billion, eight hundred ten million, eight hundred nine thousand, six hundred forty-three".