2479564409 has 16 divisors (see below), whose sum is σ = 2943726720. Its totient is φ = 2043498240.

The previous prime is 2479564387. The next prime is 2479564441. The reversal of 2479564409 is 9044659742.

It is a de Polignac number, because none of the positive numbers 2^k-2479564409 is a prime.

It is a super-2 number, since 2×2479564409² = 12296479316759038562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2479564459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23582 + ... + 74264.

It is an arithmetic number, because the mean of its divisors is an integer number (183982920).

Almost surely, 2^2479564409 is an apocalyptic number.

2479564409 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2479564409 is a deficient number, since it is larger than the sum of its proper divisors (464162311).

2479564409 is a wasteful number, since it uses less digits than its factorization.

2479564409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50960.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 2479564409 is about 49795.2247610150. The cubic root of 2479564409 is about 1353.5006374992.

The spelling of 2479564409 in words is "two billion, four hundred seventy-nine million, five hundred sixty-four thousand, four hundred nine".