2478808413 has 10 divisors (see below), whose sum is σ = 3702911454. Its totient is φ = 1652538888.

The previous prime is 2478808399. The next prime is 2478808469. The reversal of 2478808413 is 3148088742.

It can be written as a sum of positive squares in only one way, i.e., 2416508964 + 62299449 = 49158^2 + 7893^2 .

It is not a de Polignac number, because 2478808413 - 2⁹ = 2478807901 is a prime.

It is a super-2 number, since 2×2478808413² = 12288982296719157138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478808613) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15301206 + ... + 15301367.

Almost surely, 2^2478808413 is an apocalyptic number.

It is an amenable number.

2478808413 is a deficient number, since it is larger than the sum of its proper divisors (1224103041).

2478808413 is an equidigital number, since it uses as much as digits as its factorization.

2478808413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30602585 (or 30602576 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 2478808413 is about 49787.6331331386. The cubic root of 2478808413 is about 1353.3630669547.

The spelling of 2478808413 in words is "two billion, four hundred seventy-eight million, eight hundred eight thousand, four hundred thirteen".