3421320451 has 2 divisors, whose sum is σ = 3421320452. Its totient is φ = 3421320450.

The previous prime is 3421320407. The next prime is 3421320521. The reversal of 3421320451 is 1540231243.

It is a weak prime.

It is an emirp because it is prime and its reverse (1540231243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3421320451 - 2¹¹ = 3421318403 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421320251) 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, 1710660225 + 1710660226.

It is an arithmetic number, because the mean of its divisors is an integer number (1710660226).

Almost surely, 2^3421320451 is an apocalyptic number.

3421320451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421320451 is an equidigital number, since it uses as much as digits as its factorization.

3421320451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3421320451 is about 58492.0545971844. The cubic root of 3421320451 is about 1506.8311322334.

Adding to 3421320451 its reverse (1540231243), we get a palindrome (4961551694).

The spelling of 3421320451 in words is "three billion, four hundred twenty-one million, three hundred twenty thousand, four hundred fifty-one".