170453985537709 has 2 divisors, whose sum is σ = 170453985537710. Its totient is φ = 170453985537708.

The previous prime is 170453985537611. The next prime is 170453985537791. The reversal of 170453985537709 is 907735589354071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167837129308809 + 2616856228900 = 12955197^2 + 1617670^2 .

It is a cyclic number.

It is not a de Polignac number, because 170453985537709 - 2¹¹ = 170453985535661 is a prime.

It is a super-2 number, since 2×170453985537709² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170453985537799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85226992768854 + 85226992768855.

It is an arithmetic number, because the mean of its divisors is an integer number (85226992768855).

Almost surely, 2^{170453985537709} is an apocalyptic number.

It is an amenable number.

170453985537709 is a deficient number, since it is larger than the sum of its proper divisors (1).

170453985537709 is an equidigital number, since it uses as much as digits as its factorization.

170453985537709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188000, while the sum is 73.

The spelling of 170453985537709 in words is "one hundred seventy trillion, four hundred fifty-three billion, nine hundred eighty-five million, five hundred thirty-seven thousand, seven hundred nine".