434172966349 has 2 divisors, whose sum is σ = 434172966350. Its totient is φ = 434172966348.

The previous prime is 434172966287. The next prime is 434172966373. The reversal of 434172966349 is 943669271434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381769515625 + 52403450724 = 617875^2 + 228918^2 .

It is a cyclic number.

It is not a de Polignac number, because 434172966349 - 2¹¹ = 434172964301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434172966293 and 434172966302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434172964349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217086483174 + 217086483175.

It is an arithmetic number, because the mean of its divisors is an integer number (217086483175).

Almost surely, 2^434172966349 is an apocalyptic number.

It is an amenable number.

434172966349 is a deficient number, since it is larger than the sum of its proper divisors (1).

434172966349 is an equidigital number, since it uses as much as digits as its factorization.

434172966349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 58.

The spelling of 434172966349 in words is "four hundred thirty-four billion, one hundred seventy-two million, nine hundred sixty-six thousand, three hundred forty-nine".