2043209465 has 16 divisors (see below), whose sum is σ = 2675828736. Its totient is φ = 1485369600.

The previous prime is 2043209459. The next prime is 2043209477. The reversal of 2043209465 is 5649023402.

It is not a de Polignac number, because 2043209465 - 2¹² = 2043205369 is a prime.

It is a super-4 number, since 4×2043209465⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165704 + ... + 177606.

It is an arithmetic number, because the mean of its divisors is an integer number (167239296).

Almost surely, 2^2043209465 is an apocalyptic number.

It is an amenable number.

2043209465 is a deficient number, since it is larger than the sum of its proper divisors (632619271).

2043209465 is a wasteful number, since it uses less digits than its factorization.

2043209465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2043209465 is about 45201.8745739599. The cubic root of 2043209465 is about 1268.9298992156.

The spelling of 2043209465 in words is "two billion, forty-three million, two hundred nine thousand, four hundred sixty-five".