2719865251 has 2 divisors, whose sum is σ = 2719865252. Its totient is φ = 2719865250.

The previous prime is 2719865243. The next prime is 2719865273. The reversal of 2719865251 is 1525689172.

2719865251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2719865251 - 2³ = 2719865243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2719865651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359932625 + 1359932626.

It is an arithmetic number, because the mean of its divisors is an integer number (1359932626).

Almost surely, 2^2719865251 is an apocalyptic number.

2719865251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2719865251 is an equidigital number, since it uses as much as digits as its factorization.

2719865251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 46.

The square root of 2719865251 is about 52152.3273785552. The cubic root of 2719865251 is about 1395.8833578991.

The spelling of 2719865251 in words is "two billion, seven hundred nineteen million, eight hundred sixty-five thousand, two hundred fifty-one".