1822716059729 has 2 divisors, whose sum is σ = 1822716059730. Its totient is φ = 1822716059728.

The previous prime is 1822716059707. The next prime is 1822716059737. The reversal of 1822716059729 is 9279506172281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1761122747329 + 61593312400 = 1327073^2 + 248180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1822716059729 - 2⁸ = 1822716059473 is a prime.

It is a super-2 number, since 2×1822716059729² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1822716059789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911358029864 + 911358029865.

It is an arithmetic number, because the mean of its divisors is an integer number (911358029865).

Almost surely, 2^{1822716059729} is an apocalyptic number.

It is an amenable number.

1822716059729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1822716059729 is an equidigital number, since it uses as much as digits as its factorization.

1822716059729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 1822716059729 in words is "one trillion, eight hundred twenty-two billion, seven hundred sixteen million, fifty-nine thousand, seven hundred twenty-nine".