17032347421 has 2 divisors, whose sum is σ = 17032347422. Its totient is φ = 17032347420.

The previous prime is 17032347401. The next prime is 17032347443. The reversal of 17032347421 is 12474323071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9117576196 + 7914771225 = 95486^2 + 88965^2 .

It is a cyclic number.

It is not a de Polignac number, because 17032347421 - 2¹³ = 17032339229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17032347401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8516173710 + 8516173711.

It is an arithmetic number, because the mean of its divisors is an integer number (8516173711).

Almost surely, 2^17032347421 is an apocalyptic number.

It is an amenable number.

17032347421 is a deficient number, since it is larger than the sum of its proper divisors (1).

17032347421 is an equidigital number, since it uses as much as digits as its factorization.

17032347421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 17032347421 in words is "seventeen billion, thirty-two million, three hundred forty-seven thousand, four hundred twenty-one".