3420420049 has 2 divisors, whose sum is σ = 3420420050. Its totient is φ = 3420420048.

The previous prime is 3420420001. The next prime is 3420420053. The reversal of 3420420049 is 9400240243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2073163024 + 1347257025 = 45532^2 + 36705^2 .

It is an emirp because it is prime and its reverse (9400240243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3420420049 - 2²⁷ = 3286202321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420419999 and 3420420026.

It is not a weakly prime, because it can be changed into another prime (3420420749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710210024 + 1710210025.

It is an arithmetic number, because the mean of its divisors is an integer number (1710210025).

Almost surely, 2^3420420049 is an apocalyptic number.

It is an amenable number.

3420420049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420420049 is an equidigital number, since it uses as much as digits as its factorization.

3420420049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3420420049 is about 58484.3573017606. The cubic root of 3420420049 is about 1506.6989344633.

The spelling of 3420420049 in words is "three billion, four hundred twenty million, four hundred twenty thousand, forty-nine".