2478146413 has 4 divisors (see below), whose sum is σ = 2483015580. Its totient is φ = 2473277248.

The previous prime is 2478146381. The next prime is 2478146449. The reversal of 2478146413 is 3146418742.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2065975209 + 412171204 = 45453^2 + 20302^2 .

It is a cyclic number.

It is not a de Polignac number, because 2478146413 - 2⁵ = 2478146381 is a prime.

It is a super-2 number, since 2×2478146413² = 12282419288529533138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478146453) 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 3 ways as a sum of consecutive naturals, for example, 2433820 + ... + 2434837.

It is an arithmetic number, because the mean of its divisors is an integer number (620753895).

Almost surely, 2^2478146413 is an apocalyptic number.

It is an amenable number.

2478146413 is a deficient number, since it is larger than the sum of its proper divisors (4869167).

2478146413 is an equidigital number, since it uses as much as digits as its factorization.

2478146413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869166.

The product of its digits is 129024, while the sum is 40.

The square root of 2478146413 is about 49780.9844518969. The cubic root of 2478146413 is about 1353.2425781324.

The spelling of 2478146413 in words is "two billion, four hundred seventy-eight million, one hundred forty-six thousand, four hundred thirteen".