34021653563 has 16 divisors (see below), whose sum is σ = 36297142560. Its totient is φ = 31777214976.

The previous prime is 34021653559. The next prime is 34021653599. The reversal of 34021653563 is 36535612043.

It is a cyclic number.

It is not a de Polignac number, because 34021653563 - 2² = 34021653559 is a prime.

It is a super-2 number, since 2×34021653563² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34021653163) 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 in 15 ways as a sum of consecutive naturals, for example, 1955981 + ... + 1973297.

It is an arithmetic number, because the mean of its divisors is an integer number (2268571410).

Almost surely, 2^34021653563 is an apocalyptic number.

34021653563 is a deficient number, since it is larger than the sum of its proper divisors (2275488997).

34021653563 is a wasteful number, since it uses less digits than its factorization.

34021653563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18206.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 34021653563 in words is "thirty-four billion, twenty-one million, six hundred fifty-three thousand, five hundred sixty-three".