22691792559409 has 2 divisors, whose sum is σ = 22691792559410. Its totient is φ = 22691792559408.

The previous prime is 22691792559407. The next prime is 22691792559427. The reversal of 22691792559409 is 90495529719622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12491785434384 + 10200007125025 = 3534372^2 + 3193745^2 .

It is a cyclic number.

It is not a de Polignac number, because 22691792559409 - 2¹ = 22691792559407 is a prime.

Together with 22691792559407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22691792559407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11345896279704 + 11345896279705.

It is an arithmetic number, because the mean of its divisors is an integer number (11345896279705).

Almost surely, 2^{22691792559409} is an apocalyptic number.

It is an amenable number.

22691792559409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22691792559409 is an equidigital number, since it uses as much as digits as its factorization.

22691792559409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220449600, while the sum is 70.

The spelling of 22691792559409 in words is "twenty-two trillion, six hundred ninety-one billion, seven hundred ninety-two million, five hundred fifty-nine thousand, four hundred nine".