3420623069 has 2 divisors, whose sum is σ = 3420623070. Its totient is φ = 3420623068.

The previous prime is 3420623047. The next prime is 3420623077. The reversal of 3420623069 is 9603260243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1988000569 + 1432622500 = 44587^2 + 37850^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420623069 - 2¹² = 3420618973 is a prime.

It is a super-2 number, since 2×3420623069² = 23401324360349957522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420623009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710311534 + 1710311535.

It is an arithmetic number, because the mean of its divisors is an integer number (1710311535).

Almost surely, 2^3420623069 is an apocalyptic number.

It is an amenable number.

3420623069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420623069 is an equidigital number, since it uses as much as digits as its factorization.

3420623069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 3420623069 is about 58486.0929537954. The cubic root of 3420623069 is about 1506.7287440541.

It can be divided in two parts, 34206 and 23069, that added together give a palindrome (57275).

The spelling of 3420623069 in words is "three billion, four hundred twenty million, six hundred twenty-three thousand, sixty-nine".