2446891138 has 8 divisors (see below), whose sum is σ = 3686796288. Its totient is φ = 1217959044.

The previous prime is 2446891123. The next prime is 2446891147. The reversal of 2446891138 is 8311986442.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742706 + ... + 2743597.

It is an arithmetic number, because the mean of its divisors is an integer number (460849536).

Almost surely, 2^2446891138 is an apocalyptic number.

2446891138 is a deficient number, since it is larger than the sum of its proper divisors (1239905150).

2446891138 is a wasteful number, since it uses less digits than its factorization.

2446891138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486528.

The product of its digits is 331776, while the sum is 46.

The square root of 2446891138 is about 49466.0604657375. The cubic root of 2446891138 is about 1347.5292968206.

The spelling of 2446891138 in words is "two billion, four hundred forty-six million, eight hundred ninety-one thousand, one hundred thirty-eight".