1722964541 has 2 divisors, whose sum is σ = 1722964542. Its totient is φ = 1722964540.

The previous prime is 1722964499. The next prime is 1722964571. The reversal of 1722964541 is 1454692271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1336999225 + 385965316 = 36565^2 + 19646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1722964541 - 2²² = 1718770237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1722964571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861482270 + 861482271.

It is an arithmetic number, because the mean of its divisors is an integer number (861482271).

Almost surely, 2^1722964541 is an apocalyptic number.

It is an amenable number.

1722964541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722964541 is an equidigital number, since it uses as much as digits as its factorization.

1722964541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 1722964541 is about 41508.6080349607. The cubic root of 1722964541 is about 1198.8332504380.

The spelling of 1722964541 in words is "one billion, seven hundred twenty-two million, nine hundred sixty-four thousand, five hundred forty-one".