2879726321 has 2 divisors, whose sum is σ = 2879726322. Its totient is φ = 2879726320.

The previous prime is 2879726287. The next prime is 2879726329. The reversal of 2879726321 is 1236279782.

It is a happy number.

2879726321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2005696225 + 874030096 = 44785^2 + 29564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2879726321 - 2⁶ = 2879726257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2879726329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439863160 + 1439863161.

It is an arithmetic number, because the mean of its divisors is an integer number (1439863161).

Almost surely, 2^2879726321 is an apocalyptic number.

It is an amenable number.

2879726321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2879726321 is an equidigital number, since it uses as much as digits as its factorization.

2879726321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 2879726321 is about 53663.0815458822. The cubic root of 2879726321 is about 1422.7122533776.

The spelling of 2879726321 in words is "two billion, eight hundred seventy-nine million, seven hundred twenty-six thousand, three hundred twenty-one".