34555576873721 has 2 divisors, whose sum is σ = 34555576873722. Its totient is φ = 34555576873720.

The previous prime is 34555576873711. The next prime is 34555576873751. The reversal of 34555576873721 is 12737867555543.

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., 34504110960400 + 51465913321 = 5874020^2 + 226861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34555576873721 is a prime.

It is not a weakly prime, because it can be changed into another prime (34555576873711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17277788436860 + 17277788436861.

It is an arithmetic number, because the mean of its divisors is an integer number (17277788436861).

Almost surely, 2^{34555576873721} is an apocalyptic number.

It is an amenable number.

34555576873721 is a deficient number, since it is larger than the sum of its proper divisors (1).

34555576873721 is an equidigital number, since it uses as much as digits as its factorization.

34555576873721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880000, while the sum is 68.

The spelling of 34555576873721 in words is "thirty-four trillion, five hundred fifty-five billion, five hundred seventy-six million, eight hundred seventy-three thousand, seven hundred twenty-one".