3420548450243 has 2 divisors, whose sum is σ = 3420548450244. Its totient is φ = 3420548450242.

The previous prime is 3420548450233. The next prime is 3420548450309.

3420548450243 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420548450243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420548450194 and 3420548450203.

It is not a weakly prime, because it can be changed into another prime (3420548450203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710274225121 + 1710274225122.

It is an arithmetic number, because the mean of its divisors is an integer number (1710274225122).

Almost surely, 2^{3420548450243} is an apocalyptic number.

3420548450243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420548450243 is an equidigital number, since it uses as much as digits as its factorization.

3420548450243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1843200, while the sum is 44.

The spelling of 3420548450243 in words is "three trillion, four hundred twenty billion, five hundred forty-eight million, four hundred fifty thousand, two hundred forty-three".