2104670545 has 16 divisors (see below), whose sum is σ = 2685146112. Its totient is φ = 1580138560.

The previous prime is 2104670509. The next prime is 2104670599. The reversal of 2104670545 is 5450764012.

It is not a de Polignac number, because 2104670545 - 2⁷ = 2104670417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104670545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166561 + ... + 178750.

It is an arithmetic number, because the mean of its divisors is an integer number (167821632).

Almost surely, 2^2104670545 is an apocalyptic number.

It is an amenable number.

2104670545 is a deficient number, since it is larger than the sum of its proper divisors (580475567).

2104670545 is a wasteful number, since it uses less digits than its factorization.

2104670545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345392.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2104670545 is about 45876.6884702896. The cubic root of 2104670545 is about 1281.5278275323.

The spelling of 2104670545 in words is "two billion, one hundred four million, six hundred seventy thousand, five hundred forty-five".