34021603009905 has 16 divisors (see below), whose sum is σ = 62210931218304. Its totient is φ = 15552732804480.

The previous prime is 34021603009873. The next prime is 34021603010063. The reversal of 34021603009905 is 50990030612043.

It is a happy number.

It is not a de Polignac number, because 34021603009905 - 2⁵ = 34021603009873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162007633276 + ... + 162007633485.

It is an arithmetic number, because the mean of its divisors is an integer number (3888183201144).

Almost surely, 2^{34021603009905} is an apocalyptic number.

34021603009905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34021603009905 is a deficient number, since it is larger than the sum of its proper divisors (28189328208399).

34021603009905 is a wasteful number, since it uses less digits than its factorization.

34021603009905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324015266776.

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 34021603009905 in words is "thirty-four trillion, twenty-one billion, six hundred three million, nine thousand, nine hundred five".