2456669138 has 16 divisors (see below), whose sum is σ = 4594290624. Its totient is φ = 957143760.

The previous prime is 2456669113. The next prime is 2456669143. The reversal of 2456669138 is 8319666542.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7976045 + ... + 7976352.

It is an arithmetic number, because the mean of its divisors is an integer number (287143164).

Almost surely, 2^2456669138 is an apocalyptic number.

2456669138 is a deficient number, since it is larger than the sum of its proper divisors (2137621486).

2456669138 is a wasteful number, since it uses less digits than its factorization.

2456669138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15952417.

The product of its digits is 1866240, while the sum is 50.

The square root of 2456669138 is about 49564.7973666795. The cubic root of 2456669138 is about 1349.3218611484.

The spelling of 2456669138 in words is "two billion, four hundred fifty-six million, six hundred sixty-nine thousand, one hundred thirty-eight".