1010001722489 has 2 divisors, whose sum is σ = 1010001722490. Its totient is φ = 1010001722488.

The previous prime is 1010001722447. The next prime is 1010001722491. The reversal of 1010001722489 is 9842271000101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724132921600 + 285868800889 = 850960^2 + 534667^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010001722489 - 2¹⁶ = 1010001656953 is a prime.

It is a super-4 number, since 4×1010001722489⁴ (a number of 49 digits) contains 4444 as substring.

Together with 1010001722491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1010001722419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505000861244 + 505000861245.

It is an arithmetic number, because the mean of its divisors is an integer number (505000861245).

Almost surely, 2^{1010001722489} is an apocalyptic number.

It is an amenable number.

1010001722489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010001722489 is an equidigital number, since it uses as much as digits as its factorization.

1010001722489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 1010001722489 in words is "one trillion, ten billion, one million, seven hundred twenty-two thousand, four hundred eighty-nine".