170732091401 has 2 divisors, whose sum is σ = 170732091402. Its totient is φ = 170732091400.

The previous prime is 170732091373. The next prime is 170732091403. The reversal of 170732091401 is 104190237071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122640040000 + 48092051401 = 350200^2 + 219299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170732091401 is a prime.

It is a Sophie Germain prime.

Together with 170732091403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (170732091403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85366045700 + 85366045701.

It is an arithmetic number, because the mean of its divisors is an integer number (85366045701).

Almost surely, 2^170732091401 is an apocalyptic number.

It is an amenable number.

170732091401 is a deficient number, since it is larger than the sum of its proper divisors (1).

170732091401 is an equidigital number, since it uses as much as digits as its factorization.

170732091401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 170732091401 in words is "one hundred seventy billion, seven hundred thirty-two million, ninety-one thousand, four hundred one".