2249432678 has 8 divisors (see below), whose sum is σ = 3437812368. Its totient is φ = 1103495224.

The previous prime is 2249432663. The next prime is 2249432681. The reversal of 2249432678 is 8762349422.

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

It is a congruent number.

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, 10610426 + ... + 10610637.

It is an arithmetic number, because the mean of its divisors is an integer number (429726546).

Almost surely, 2^2249432678 is an apocalyptic number.

2249432678 is a deficient number, since it is larger than the sum of its proper divisors (1188379690).

2249432678 is a wasteful number, since it uses less digits than its factorization.

2249432678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221118.

The product of its digits is 1161216, while the sum is 47.

The square root of 2249432678 is about 47428.1844265622. The cubic root of 2249432678 is about 1310.2605541986.

The spelling of 2249432678 in words is "two billion, two hundred forty-nine million, four hundred thirty-two thousand, six hundred seventy-eight".