2896849561 has 2 divisors, whose sum is σ = 2896849562. Its totient is φ = 2896849560.

The previous prime is 2896849523. The next prime is 2896849601. The reversal of 2896849561 is 1659486982.

2896849561 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 can be written as a sum of positive squares in only one way, i.e., 2534518336 + 362331225 = 50344^2 + 19035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2896849561 - 2²¹ = 2894752409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2896849496 and 2896849505.

It is not a weakly prime, because it can be changed into another prime (2896849661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448424780 + 1448424781.

It is an arithmetic number, because the mean of its divisors is an integer number (1448424781).

Almost surely, 2^2896849561 is an apocalyptic number.

It is an amenable number.

2896849561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2896849561 is an equidigital number, since it uses as much as digits as its factorization.

2896849561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 58.

The square root of 2896849561 is about 53822.3890309600. The cubic root of 2896849561 is about 1425.5265621069.

The spelling of 2896849561 in words is "two billion, eight hundred ninety-six million, eight hundred forty-nine thousand, five hundred sixty-one".