201622742369 has 2 divisors, whose sum is σ = 201622742370. Its totient is φ = 201622742368.

The previous prime is 201622742341. The next prime is 201622742407. The reversal of 201622742369 is 963247226102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149005264144 + 52617478225 = 386012^2 + 229385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201622742369 is a prime.

It is a super-2 number, since 2×201622742369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201622642369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100811371184 + 100811371185.

It is an arithmetic number, because the mean of its divisors is an integer number (100811371185).

Almost surely, 2^201622742369 is an apocalyptic number.

It is an amenable number.

201622742369 is a deficient number, since it is larger than the sum of its proper divisors (1).

201622742369 is an equidigital number, since it uses as much as digits as its factorization.

201622742369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 201622742369 in words is "two hundred one billion, six hundred twenty-two million, seven hundred forty-two thousand, three hundred sixty-nine".