2705898997 has 2 divisors, whose sum is σ = 2705898998. Its totient is φ = 2705898996.

The previous prime is 2705898983. The next prime is 2705899109. The reversal of 2705898997 is 7998985072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2647514116 + 58384881 = 51454^2 + 7641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2705898997 - 2⁷ = 2705898869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2705898947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352949498 + 1352949499.

It is an arithmetic number, because the mean of its divisors is an integer number (1352949499).

Almost surely, 2^2705898997 is an apocalyptic number.

It is an amenable number.

2705898997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2705898997 is an equidigital number, since it uses as much as digits as its factorization.

2705898997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The square root of 2705898997 is about 52018.2563817743. The cubic root of 2705898997 is about 1393.4900131277.

The spelling of 2705898997 in words is "two billion, seven hundred five million, eight hundred ninety-eight thousand, nine hundred ninety-seven".