3420178273 has 2 divisors, whose sum is σ = 3420178274. Its totient is φ = 3420178272.

The previous prime is 3420178253. The next prime is 3420178291. The reversal of 3420178273 is 3728710243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2076442624 + 1343735649 = 45568^2 + 36657^2 .

It is an emirp because it is prime and its reverse (3728710243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3420178273 - 2¹⁷ = 3420047201 is a prime.

It is not a weakly prime, because it can be changed into another prime (3420178253) 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, 1710089136 + 1710089137.

It is an arithmetic number, because the mean of its divisors is an integer number (1710089137).

Almost surely, 2^3420178273 is an apocalyptic number.

It is an amenable number.

3420178273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420178273 is an equidigital number, since it uses as much as digits as its factorization.

3420178273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 3420178273 is about 58482.2902509811. The cubic root of 3420178273 is about 1506.6634327588.

The spelling of 3420178273 in words is "three billion, four hundred twenty million, one hundred seventy-eight thousand, two hundred seventy-three".