2478664683 has 12 divisors (see below), whose sum is σ = 3905774808. Its totient is φ = 1502220960.

The previous prime is 2478664681. The next prime is 2478664697. The reversal of 2478664683 is 3864668742.

It is not a de Polignac number, because 2478664683 - 2¹ = 2478664681 is a prime.

It is a super-2 number, since 2×2478664683² = 12287557221502980978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478664681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12518410 + ... + 12518607.

It is an arithmetic number, because the mean of its divisors is an integer number (325481234).

Almost surely, 2^2478664683 is an apocalyptic number.

2478664683 is a deficient number, since it is larger than the sum of its proper divisors (1427110125).

2478664683 is a wasteful number, since it uses less digits than its factorization.

2478664683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25037034 (or 25037031 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The square root of 2478664683 is about 49786.1896814769. The cubic root of 2478664683 is about 1353.3369088710.

The spelling of 2478664683 in words is "two billion, four hundred seventy-eight million, six hundred sixty-four thousand, six hundred eighty-three".