103810809644 has 12 divisors (see below), whose sum is σ = 181848261504. Its totient is φ = 51854163504.

The previous prime is 103810809643. The next prime is 103810809653. The reversal of 103810809644 is 446908018301.

It is a junction number, because it is equal to n+sod(n) for n = 103810809595 and 103810809604.

It is not an unprimeable number, because it can be changed into a prime (103810809643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12805772 + ... + 12813875.

It is an arithmetic number, because the mean of its divisors is an integer number (15154021792).

Almost surely, 2^103810809644 is an apocalyptic number.

It is an amenable number.

103810809644 is a deficient number, since it is larger than the sum of its proper divisors (78037451860).

103810809644 is a wasteful number, since it uses less digits than its factorization.

103810809644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25620664 (or 25620662 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 103810809644 in words is "one hundred three billion, eight hundred ten million, eight hundred nine thousand, six hundred forty-four".