2481472138 has 8 divisors (see below), whose sum is σ = 3734101188. Its totient is φ = 1236771744.

The previous prime is 2481472129. The next prime is 2481472157. The reversal of 2481472138 is 8312741842.

It can be written as a sum of positive squares in 2 ways, for example, as 2467804329 + 13667809 = 49677^2 + 3697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2481472138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1981381 + ... + 1982632.

Almost surely, 2^2481472138 is an apocalyptic number.

2481472138 is a deficient number, since it is larger than the sum of its proper divisors (1252629050).

2481472138 is a wasteful number, since it uses less digits than its factorization.

2481472138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964328.

The product of its digits is 86016, while the sum is 40.

The square root of 2481472138 is about 49814.3768203518. The cubic root of 2481472138 is about 1353.8476676042.

The spelling of 2481472138 in words is "two billion, four hundred eighty-one million, four hundred seventy-two thousand, one hundred thirty-eight".