34511991560609 has 2 divisors, whose sum is σ = 34511991560610. Its totient is φ = 34511991560608.

The previous prime is 34511991560551. The next prime is 34511991560621. The reversal of 34511991560609 is 90606519911543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18971878571584 + 15540112989025 = 4355672^2 + 3942095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34511991560609 is a prime.

It is a super-2 number, since 2×34511991560609² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34511991560909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17255995780304 + 17255995780305.

It is an arithmetic number, because the mean of its divisors is an integer number (17255995780305).

Almost surely, 2^{34511991560609} is an apocalyptic number.

It is an amenable number.

34511991560609 is a deficient number, since it is larger than the sum of its proper divisors (1).

34511991560609 is an equidigital number, since it uses as much as digits as its factorization.

34511991560609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7873200, while the sum is 59.

The spelling of 34511991560609 in words is "thirty-four trillion, five hundred eleven billion, nine hundred ninety-one million, five hundred sixty thousand, six hundred nine".