2409451905 has 64 divisors (see below), whose sum is σ = 4815618048. Its totient is φ = 1003207680.

The previous prime is 2409451861. The next prime is 2409451907. The reversal of 2409451905 is 5091549042.

It is not a de Polignac number, because 2409451905 - 2⁶ = 2409451841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2409451907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33564 + ... + 77106.

It is an arithmetic number, because the mean of its divisors is an integer number (75244032).

Almost surely, 2^2409451905 is an apocalyptic number.

It is an amenable number.

2409451905 is a deficient number, since it is larger than the sum of its proper divisors (2406166143).

2409451905 is a wasteful number, since it uses less digits than its factorization.

2409451905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43606.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 2409451905 is about 49086.1681637506. The cubic root of 2409451905 is about 1340.6212135993.

The spelling of 2409451905 in words is "two billion, four hundred nine million, four hundred fifty-one thousand, nine hundred five".