434208641369 has 2 divisors, whose sum is σ = 434208641370. Its totient is φ = 434208641368.

The previous prime is 434208641333. The next prime is 434208641393. The reversal of 434208641369 is 963146802434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331816321225 + 102392320144 = 576035^2 + 319988^2 .

It is a cyclic number.

It is not a de Polignac number, because 434208641369 - 2¹² = 434208637273 is a prime.

It is a super-2 number, since 2×434208641369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434208641309) 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, 217104320684 + 217104320685.

It is an arithmetic number, because the mean of its divisors is an integer number (217104320685).

Almost surely, 2^434208641369 is an apocalyptic number.

It is an amenable number.

434208641369 is a deficient number, since it is larger than the sum of its proper divisors (1).

434208641369 is an equidigital number, since it uses as much as digits as its factorization.

434208641369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 434208641369 in words is "four hundred thirty-four billion, two hundred eight million, six hundred forty-one thousand, three hundred sixty-nine".