3434545421 has 2 divisors, whose sum is σ = 3434545422. Its totient is φ = 3434545420.

The previous prime is 3434545417. The next prime is 3434545451. The reversal of 3434545421 is 1245454343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2248087396 + 1186458025 = 47414^2 + 34445^2 .

It is a cyclic number.

It is not a de Polignac number, because 3434545421 - 2² = 3434545417 is a prime.

It is a super-2 number, since 2×3434545421² = 23592204497824134482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3434545451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717272710 + 1717272711.

It is an arithmetic number, because the mean of its divisors is an integer number (1717272711).

Almost surely, 2^3434545421 is an apocalyptic number.

It is an amenable number.

3434545421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3434545421 is an equidigital number, since it uses as much as digits as its factorization.

3434545421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 35.

The square root of 3434545421 is about 58604.9948468558. The cubic root of 3434545421 is about 1508.7701667004.

Adding to 3434545421 its reverse (1245454343), we get a palindrome (4679999764).

The spelling of 3434545421 in words is "three billion, four hundred thirty-four million, five hundred forty-five thousand, four hundred twenty-one".