434633164421 has 2 divisors, whose sum is σ = 434633164422. Its totient is φ = 434633164420.

The previous prime is 434633164403. The next prime is 434633164447. The reversal of 434633164421 is 124461336434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225748516900 + 208884647521 = 475130^2 + 457039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434633164421 is a prime.

It is a super-2 number, since 2×434633164421² (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 (434633164451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217316582210 + 217316582211.

It is an arithmetic number, because the mean of its divisors is an integer number (217316582211).

Almost surely, 2^434633164421 is an apocalyptic number.

It is an amenable number.

434633164421 is a deficient number, since it is larger than the sum of its proper divisors (1).

434633164421 is an equidigital number, since it uses as much as digits as its factorization.

434633164421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 41.

The spelling of 434633164421 in words is "four hundred thirty-four billion, six hundred thirty-three million, one hundred sixty-four thousand, four hundred twenty-one".