2679768445 has 8 divisors (see below), whose sum is σ = 3244180536. Its totient is φ = 2124842496.

The previous prime is 2679768431. The next prime is 2679768467. The reversal of 2679768445 is 5448679762.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 190357209 + 2489411236 = 13797^2 + 49894^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2679768445 - 2¹³ = 2679760253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2679768445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2370912 + ... + 2372041.

It is an arithmetic number, because the mean of its divisors is an integer number (405522567).

Almost surely, 2^2679768445 is an apocalyptic number.

It is an amenable number.

2679768445 is a deficient number, since it is larger than the sum of its proper divisors (564412091).

2679768445 is a wasteful number, since it uses less digits than its factorization.

2679768445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743071.

The product of its digits is 20321280, while the sum is 58.

The square root of 2679768445 is about 51766.4799363449. The cubic root of 2679768445 is about 1388.9899058746.

The spelling of 2679768445 in words is "two billion, six hundred seventy-nine million, seven hundred sixty-eight thousand, four hundred forty-five".