34143288727861 has 2 divisors, whose sum is σ = 34143288727862. Its totient is φ = 34143288727860.

The previous prime is 34143288727853. The next prime is 34143288727901. The reversal of 34143288727861 is 16872788234143.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26630037784900 + 7513250942961 = 5160430^2 + 2741031^2 .

It is a cyclic number.

It is not a de Polignac number, because 34143288727861 - 2³ = 34143288727853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34143288727793 and 34143288727802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34143288727841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17071644363930 + 17071644363931.

It is an arithmetic number, because the mean of its divisors is an integer number (17071644363931).

Almost surely, 2^{34143288727861} is an apocalyptic number.

It is an amenable number.

34143288727861 is a deficient number, since it is larger than the sum of its proper divisors (1).

34143288727861 is an equidigital number, since it uses as much as digits as its factorization.

34143288727861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86704128, while the sum is 64.

The spelling of 34143288727861 in words is "thirty-four trillion, one hundred forty-three billion, two hundred eighty-eight million, seven hundred twenty-seven thousand, eight hundred sixty-one".