2105045064 has 32 divisors (see below), whose sum is σ = 5847348000. Its totient is φ = 701681616.

The previous prime is 2105045029. The next prime is 2105045101. The reversal of 2105045064 is 4605405012.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 4872574 + ... + 4873005.

It is an arithmetic number, because the mean of its divisors is an integer number (182729625).

Almost surely, 2^2105045064 is an apocalyptic number.

2105045064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2105045064 is an abundant number, since it is smaller than the sum of its proper divisors (3742302936).

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

2105045064 is a wasteful number, since it uses less digits than its factorization.

2105045064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745594 (or 9745584 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2105045064 is about 45880.7700894394. The cubic root of 2105045064 is about 1281.6038375371.

The spelling of 2105045064 in words is "two billion, one hundred five million, forty-five thousand, sixty-four".