170468400649 has 2 divisors, whose sum is σ = 170468400650. Its totient is φ = 170468400648.

The previous prime is 170468400607. The next prime is 170468400679. The reversal of 170468400649 is 946004864071.

170468400649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145664355600 + 24804045049 = 381660^2 + 157493^2 .

It is a cyclic number.

It is not a de Polignac number, because 170468400649 - 2³⁵ = 136108662281 is a prime.

It is not a weakly prime, because it can be changed into another prime (170468400679) 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, 85234200324 + 85234200325.

It is an arithmetic number, because the mean of its divisors is an integer number (85234200325).

Almost surely, 2^170468400649 is an apocalyptic number.

It is an amenable number.

170468400649 is a deficient number, since it is larger than the sum of its proper divisors (1).

170468400649 is an equidigital number, since it uses as much as digits as its factorization.

170468400649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 170468400649 in words is "one hundred seventy billion, four hundred sixty-eight million, four hundred thousand, six hundred forty-nine".