2723557247 has 2 divisors, whose sum is σ = 2723557248. Its totient is φ = 2723557246.

The previous prime is 2723557241. The next prime is 2723557273. The reversal of 2723557247 is 7427553272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2723557247 - 2⁸ = 2723556991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2723557198 and 2723557207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2723557241) 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, 1361778623 + 1361778624.

It is an arithmetic number, because the mean of its divisors is an integer number (1361778624).

Almost surely, 2^2723557247 is an apocalyptic number.

2723557247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2723557247 is an equidigital number, since it uses as much as digits as its factorization.

2723557247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 823200, while the sum is 44.

The square root of 2723557247 is about 52187.7116474750. The cubic root of 2723557247 is about 1396.5146717318.

The spelling of 2723557247 in words is "two billion, seven hundred twenty-three million, five hundred fifty-seven thousand, two hundred forty-seven".