2678013722 has 4 divisors (see below), whose sum is σ = 4017020586. Its totient is φ = 1339006860.

The previous prime is 2678013721. The next prime is 2678013731. The reversal of 2678013722 is 2273108762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2413658641 + 264355081 = 49129^2 + 16259^2 .

It is not an unprimeable number, because it can be changed into a prime (2678013721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669503429 + ... + 669503432.

Almost surely, 2^2678013722 is an apocalyptic number.

2678013722 is a deficient number, since it is larger than the sum of its proper divisors (1339006864).

2678013722 is a wasteful number, since it uses less digits than its factorization.

2678013722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339006863.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 2678013722 is about 51749.5287128298. The cubic root of 2678013722 is about 1388.6866676457.

The spelling of 2678013722 in words is "two billion, six hundred seventy-eight million, thirteen thousand, seven hundred twenty-two".