23219461409 has 2 divisors, whose sum is σ = 23219461410. Its totient is φ = 23219461408.

The previous prime is 23219461399. The next prime is 23219461411. The reversal of 23219461409 is 90416491232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23217226384 + 2235025 = 152372^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 23219461409 - 2⁴ = 23219461393 is a prime.

It is a Sophie Germain prime.

Together with 23219461411, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23219461459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11609730704 + 11609730705.

It is an arithmetic number, because the mean of its divisors is an integer number (11609730705).

Almost surely, 2^23219461409 is an apocalyptic number.

It is an amenable number.

23219461409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23219461409 is an equidigital number, since it uses as much as digits as its factorization.

23219461409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 23219461409 in words is "twenty-three billion, two hundred nineteen million, four hundred sixty-one thousand, four hundred nine".