2647581043 has 2 divisors, whose sum is σ = 2647581044. Its totient is φ = 2647581042.

The previous prime is 2647581029. The next prime is 2647581047. The reversal of 2647581043 is 3401857462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2647581043 - 2¹⁷ = 2647449971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2647580987 and 2647581005.

It is not a weakly prime, because it can be changed into another prime (2647581047) 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, 1323790521 + 1323790522.

It is an arithmetic number, because the mean of its divisors is an integer number (1323790522).

Almost surely, 2^2647581043 is an apocalyptic number.

2647581043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2647581043 is an equidigital number, since it uses as much as digits as its factorization.

2647581043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2647581043 is about 51454.6503534909. The cubic root of 2647581043 is about 1383.4063164410.

The spelling of 2647581043 in words is "two billion, six hundred forty-seven million, five hundred eighty-one thousand, forty-three".