334803391421 has 2 divisors, whose sum is σ = 334803391422. Its totient is φ = 334803391420.

The previous prime is 334803391361. The next prime is 334803391459. The reversal of 334803391421 is 124193308433.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331229025625 + 3574365796 = 575525^2 + 59786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-334803391421 is a prime.

It is a super-2 number, since 2×334803391421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334803391471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167401695710 + 167401695711.

It is an arithmetic number, because the mean of its divisors is an integer number (167401695711).

Almost surely, 2^334803391421 is an apocalyptic number.

It is an amenable number.

334803391421 is a deficient number, since it is larger than the sum of its proper divisors (1).

334803391421 is an equidigital number, since it uses as much as digits as its factorization.

334803391421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

Adding to 334803391421 its reverse (124193308433), we get a palindrome (458996699854).

The spelling of 334803391421 in words is "three hundred thirty-four billion, eight hundred three million, three hundred ninety-one thousand, four hundred twenty-one".