1722555741061 has 2 divisors, whose sum is σ = 1722555741062. Its totient is φ = 1722555741060.

The previous prime is 1722555741047. The next prime is 1722555741091. The reversal of 1722555741061 is 1601475552271.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1220817268836 + 501738472225 = 1104906^2 + 708335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1722555741061 - 2⁷ = 1722555740933 is a prime.

It is a super-3 number, since 3×1722555741061³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1722555741091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861277870530 + 861277870531.

It is an arithmetic number, because the mean of its divisors is an integer number (861277870531).

Almost surely, 2^{1722555741061} is an apocalyptic number.

It is an amenable number.

1722555741061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722555741061 is an equidigital number, since it uses as much as digits as its factorization.

1722555741061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 1722555741061 in words is "one trillion, seven hundred twenty-two billion, five hundred fifty-five million, seven hundred forty-one thousand, sixty-one".