22994698709 has 2 divisors, whose sum is σ = 22994698710. Its totient is φ = 22994698708.

The previous prime is 22994698697. The next prime is 22994698711. The reversal of 22994698709 is 90789649922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11965078225 + 11029620484 = 109385^2 + 105022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22994698709 is a prime.

Together with 22994698711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22994692709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11497349354 + 11497349355.

It is an arithmetic number, because the mean of its divisors is an integer number (11497349355).

Almost surely, 2^22994698709 is an apocalyptic number.

It is an amenable number.

22994698709 is a deficient number, since it is larger than the sum of its proper divisors (1).

22994698709 is an equidigital number, since it uses as much as digits as its factorization.

22994698709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The spelling of 22994698709 in words is "twenty-two billion, nine hundred ninety-four million, six hundred ninety-eight thousand, seven hundred nine".