64263635230109 has 32 divisors (see below), whose sum is σ = 74375672152320. Its totient is φ = 54385324941312.

The previous prime is 64263635230097. The next prime is 64263635230111. The reversal of 64263635230109 is 90103253636246.

It is a cyclic number.

It is not a de Polignac number, because 64263635230109 - 2³² = 64259340262813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64263635230009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11916117317 + ... + 11916122709.

It is an arithmetic number, because the mean of its divisors is an integer number (2324239754760).

Almost surely, 2^{64263635230109} is an apocalyptic number.

It is an amenable number.

64263635230109 is a deficient number, since it is larger than the sum of its proper divisors (10112036922211).

64263635230109 is a wasteful number, since it uses less digits than its factorization.

64263635230109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14549.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 64263635230109 in words is "sixty-four trillion, two hundred sixty-three billion, six hundred thirty-five million, two hundred thirty thousand, one hundred nine".