2729555251 has 2 divisors, whose sum is σ = 2729555252. Its totient is φ = 2729555250.

The previous prime is 2729555249. The next prime is 2729555261. The reversal of 2729555251 is 1525559272.

2729555251 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 2729555251 - 2¹ = 2729555249 is a prime.

Together with 2729555249, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2729555198 and 2729555207.

It is not a weakly prime, because it can be changed into another prime (2729555201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364777625 + 1364777626.

It is an arithmetic number, because the mean of its divisors is an integer number (1364777626).

Almost surely, 2^2729555251 is an apocalyptic number.

2729555251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729555251 is an equidigital number, since it uses as much as digits as its factorization.

2729555251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 315000, while the sum is 43.

The square root of 2729555251 is about 52245.1457170903. The cubic root of 2729555251 is about 1397.5390867873.

The spelling of 2729555251 in words is "two billion, seven hundred twenty-nine million, five hundred fifty-five thousand, two hundred fifty-one".