34043040949 has 2 divisors, whose sum is σ = 34043040950. Its totient is φ = 34043040948.

The previous prime is 34043040947. The next prime is 34043040989. The reversal of 34043040949 is 94904034043.

It is an a-pointer prime, because the next prime (34043040989) can be obtained adding 34043040949 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23960872849 + 10082168100 = 154793^2 + 100410^2 .

It is a cyclic number.

It is not a de Polignac number, because 34043040949 - 2¹ = 34043040947 is a prime.

Together with 34043040947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34043040947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17021520474 + 17021520475.

It is an arithmetic number, because the mean of its divisors is an integer number (17021520475).

Almost surely, 2^34043040949 is an apocalyptic number.

It is an amenable number.

34043040949 is a deficient number, since it is larger than the sum of its proper divisors (1).

34043040949 is an equidigital number, since it uses as much as digits as its factorization.

34043040949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 34043040949 in words is "thirty-four billion, forty-three million, forty thousand, nine hundred forty-nine".