2104172513450 has 48 divisors (see below), whose sum is σ = 4485540853440. Its totient is φ = 719386821120.

The previous prime is 2104172513449. The next prime is 2104172513489. The reversal of 2104172513450 is 543152714012.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2104172513450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8391920 + ... + 8639019.

It is an arithmetic number, because the mean of its divisors is an integer number (93448767780).

Almost surely, 2^{2104172513450} is an apocalyptic number.

2104172513450 is an abundant number, since it is smaller than the sum of its proper divisors (2381368339990).

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

2104172513450 is a wasteful number, since it uses less digits than its factorization.

2104172513450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17031311 (or 17031306 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 2104172513450 in words is "two trillion, one hundred four billion, one hundred seventy-two million, five hundred thirteen thousand, four hundred fifty".