3420026465173 has 2 divisors, whose sum is σ = 3420026465174. Its totient is φ = 3420026465172.

The previous prime is 3420026465123. The next prime is 3420026465189. The reversal of 3420026465173 is 3715646200243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3402080647729 + 17945817444 = 1844473^2 + 133962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420026465173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420026465123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710013232586 + 1710013232587.

It is an arithmetic number, because the mean of its divisors is an integer number (1710013232587).

Almost surely, 2^{3420026465173} is an apocalyptic number.

It is an amenable number.

3420026465173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420026465173 is an equidigital number, since it uses as much as digits as its factorization.

3420026465173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 3420026465173 in words is "three trillion, four hundred twenty billion, twenty-six million, four hundred sixty-five thousand, one hundred seventy-three".