2869897361 has 2 divisors, whose sum is σ = 2869897362. Its totient is φ = 2869897360.

The previous prime is 2869897301. The next prime is 2869897367. The reversal of 2869897361 is 1637989682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2709723025 + 160174336 = 52055^2 + 12656^2 .

It is a cyclic number.

It is not a de Polignac number, because 2869897361 - 2²⁶ = 2802788497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2869897361.

It is not a weakly prime, because it can be changed into another prime (2869897367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434948680 + 1434948681.

It is an arithmetic number, because the mean of its divisors is an integer number (1434948681).

Almost surely, 2^2869897361 is an apocalyptic number.

It is an amenable number.

2869897361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2869897361 is an equidigital number, since it uses as much as digits as its factorization.

2869897361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 59.

The square root of 2869897361 is about 53571.4229883807. The cubic root of 2869897361 is about 1421.0917612285.

The spelling of 2869897361 in words is "two billion, eight hundred sixty-nine million, eight hundred ninety-seven thousand, three hundred sixty-one".