34780234965529 has 3 divisors (see below), whose sum is σ = 34780240863007. Its totient is φ = 34780229068052.

The previous prime is 34780234965527. The next prime is 34780234965557. The reversal of 34780234965529 is 92556943208743.

The square root of 34780234965529 is 5897477.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 594556655625 + 34185678309904 = 771075^2 + 5846852^2 .

It is not a de Polignac number, because 34780234965529 - 2¹ = 34780234965527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34780234965527) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2948739 + ... + 8846215.

Almost surely, 2^{34780234965529} is an apocalyptic number.

34780234965529 is the 5897477-th square number.

34780234965529 is the 2948739-th centered octagonal number.

It is an amenable number.

34780234965529 is a deficient number, since it is larger than the sum of its proper divisors (5897478).

34780234965529 is an frugal number, since it uses more digits than its factorization.

34780234965529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11794954 (or 5897477 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 67.

The spelling of 34780234965529 in words is "thirty-four trillion, seven hundred eighty billion, two hundred thirty-four million, nine hundred sixty-five thousand, five hundred twenty-nine".