2678622433 has 2 divisors, whose sum is σ = 2678622434. Its totient is φ = 2678622432.

The previous prime is 2678622407. The next prime is 2678622503. The reversal of 2678622433 is 3342268762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1451381409 + 1227241024 = 38097^2 + 35032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2678622433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2678622433.

It is not a weakly prime, because it can be changed into another prime (2678622403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339311216 + 1339311217.

It is an arithmetic number, because the mean of its divisors is an integer number (1339311217).

Almost surely, 2^2678622433 is an apocalyptic number.

It is an amenable number.

2678622433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678622433 is an equidigital number, since it uses as much as digits as its factorization.

2678622433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 43.

The square root of 2678622433 is about 51755.4096979243. The cubic root of 2678622433 is about 1388.7918755721.

The spelling of 2678622433 in words is "two billion, six hundred seventy-eight million, six hundred twenty-two thousand, four hundred thirty-three".