830571720001 has 2 divisors, whose sum is σ = 830571720002. Its totient is φ = 830571720000.

The previous prime is 830571719941. The next prime is 830571720029. The reversal of 830571720001 is 100027175038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672688670976 + 157883049025 = 820176^2 + 397345^2 .

It is a cyclic number.

It is not a de Polignac number, because 830571720001 - 2²⁷ = 830437502273 is a prime.

It is not a weakly prime, because it can be changed into another prime (830571720101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415285860000 + 415285860001.

It is an arithmetic number, because the mean of its divisors is an integer number (415285860001).

Almost surely, 2^830571720001 is an apocalyptic number.

It is an amenable number.

830571720001 is a deficient number, since it is larger than the sum of its proper divisors (1).

830571720001 is an equidigital number, since it uses as much as digits as its factorization.

830571720001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

Adding to 830571720001 its reverse (100027175038), we get a palindrome (930598895039).

The spelling of 830571720001 in words is "eight hundred thirty billion, five hundred seventy-one million, seven hundred twenty thousand, one".