2679800789 has 2 divisors, whose sum is σ = 2679800790. Its totient is φ = 2679800788.

The previous prime is 2679800779. The next prime is 2679800881. The reversal of 2679800789 is 9870089762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2516727889 + 163072900 = 50167^2 + 12770^2 .

It is a cyclic number.

It is not a de Polignac number, because 2679800789 - 2⁸ = 2679800533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2679800759) by changing a digit.

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 as a sum of consecutive naturals, namely, 1339900394 + 1339900395.

It is an arithmetic number, because the mean of its divisors is an integer number (1339900395).

Almost surely, 2^2679800789 is an apocalyptic number.

It is an amenable number.

2679800789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2679800789 is an equidigital number, since it uses as much as digits as its factorization.

2679800789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The square root of 2679800789 is about 51766.7923383321. The cubic root of 2679800789 is about 1388.9954940824.

The spelling of 2679800789 in words is "two billion, six hundred seventy-nine million, eight hundred thousand, seven hundred eighty-nine".