2478694904 has 24 divisors (see below), whose sum is σ = 5312287560. Its totient is φ = 1062138144.

The previous prime is 2478694891. The next prime is 2478694909. The reversal of 2478694904 is 4094968742.

It is a super-2 number, since 2×2478694904² = 12287856854231138432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478694909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369242 + ... + 375894.

It is an arithmetic number, because the mean of its divisors is an integer number (221345315).

Almost surely, 2^2478694904 is an apocalyptic number.

It is an amenable number.

2478694904 is an abundant number, since it is smaller than the sum of its proper divisors (2833592656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2478694904 is an frugal number, since it uses more digits than its factorization.

2478694904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13319 (or 6662 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The square root of 2478694904 is about 49786.4931884141. The cubic root of 2478694904 is about 1353.3424090137.

The spelling of 2478694904 in words is "two billion, four hundred seventy-eight million, six hundred ninety-four thousand, nine hundred four".