2105473917920 has 48 divisors (see below), whose sum is σ = 4975347842640. Its totient is φ = 841992198144.

The previous prime is 2105473917913. The next prime is 2105473917959. The reversal of 2105473917920 is 297193745012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856130 + ... + 2223489.

It is an arithmetic number, because the mean of its divisors is an integer number (103653080055).

Almost surely, 2^{2105473917920} is an apocalyptic number.

2105473917920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105473917920 is an abundant number, since it is smaller than the sum of its proper divisors (2869873924720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105473917920 is a wasteful number, since it uses less digits than its factorization.

2105473917920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083907 (or 3083899 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 2105473917920 in words is "two trillion, one hundred five billion, four hundred seventy-three million, nine hundred seventeen thousand, nine hundred twenty".