2706455581 has 2 divisors, whose sum is σ = 2706455582. Its totient is φ = 2706455580.

The previous prime is 2706455579. The next prime is 2706455623. The reversal of 2706455581 is 1855546072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2659052356 + 47403225 = 51566^2 + 6885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706455581 - 2¹ = 2706455579 is a prime.

It is a super-2 number, since 2×2706455581² = 14649803623852095122, which contains 22 as substring.

Together with 2706455579, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2706495581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353227790 + 1353227791.

It is an arithmetic number, because the mean of its divisors is an integer number (1353227791).

Almost surely, 2^2706455581 is an apocalyptic number.

It is an amenable number.

2706455581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2706455581 is an equidigital number, since it uses as much as digits as its factorization.

2706455581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 2706455581 is about 52023.6059976623. The cubic root of 2706455581 is about 1393.5855502085.

The spelling of 2706455581 in words is "two billion, seven hundred six million, four hundred fifty-five thousand, five hundred eighty-one".