2898694691 has 2 divisors, whose sum is σ = 2898694692. Its totient is φ = 2898694690.

The previous prime is 2898694639. The next prime is 2898694693. The reversal of 2898694691 is 1964968982.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2898694691 - 2⁶ = 2898694627 is a prime.

Together with 2898694693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2898694693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449347345 + 1449347346.

It is an arithmetic number, because the mean of its divisors is an integer number (1449347346).

Almost surely, 2^2898694691 is an apocalyptic number.

2898694691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2898694691 is an equidigital number, since it uses as much as digits as its factorization.

2898694691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 62.

The square root of 2898694691 is about 53839.5272174636. The cubic root of 2898694691 is about 1425.8291579120.

The spelling of 2898694691 in words is "two billion, eight hundred ninety-eight million, six hundred ninety-four thousand, six hundred ninety-one".