3421234638457 has 2 divisors, whose sum is σ = 3421234638458. Its totient is φ = 3421234638456.

The previous prime is 3421234638427. The next prime is 3421234638529. The reversal of 3421234638457 is 7548364321243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3272991157881 + 148243480576 = 1809141^2 + 385024^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421234638457 - 2⁷ = 3421234638329 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421234638427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710617319228 + 1710617319229.

It is an arithmetic number, because the mean of its divisors is an integer number (1710617319229).

Almost surely, 2^{3421234638457} is an apocalyptic number.

It is an amenable number.

3421234638457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421234638457 is an equidigital number, since it uses as much as digits as its factorization.

3421234638457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 52.

The spelling of 3421234638457 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-four million, six hundred thirty-eight thousand, four hundred fifty-seven".