2209658051 has 2 divisors, whose sum is σ = 2209658052. Its totient is φ = 2209658050.

The previous prime is 2209658039. The next prime is 2209658053. The reversal of 2209658051 is 1508569022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2209658051 is a prime.

Together with 2209658053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2209657996 and 2209658014.

It is not a weakly prime, because it can be changed into another prime (2209658053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104829025 + 1104829026.

It is an arithmetic number, because the mean of its divisors is an integer number (1104829026).

Almost surely, 2^2209658051 is an apocalyptic number.

2209658051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209658051 is an equidigital number, since it uses as much as digits as its factorization.

2209658051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 2209658051 is about 47007.0000212734. Note that the first 4 decimals coincide. The cubic root of 2209658051 is about 1302.4918774476.

The spelling of 2209658051 in words is "two billion, two hundred nine million, six hundred fifty-eight thousand, fifty-one".