64530434206 has 16 divisors (see below), whose sum is σ = 110679155424. Its totient is φ = 27642011904.

The previous prime is 64530434099. The next prime is 64530434237. The reversal of 64530434206 is 60243403546.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128475 + ... + 1184278.

It is an arithmetic number, because the mean of its divisors is an integer number (6917447214).

Almost surely, 2^64530434206 is an apocalyptic number.

64530434206 is a deficient number, since it is larger than the sum of its proper divisors (46148721218).

64530434206 is a wasteful number, since it uses less digits than its factorization.

64530434206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314755.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 64530434206 in words is "sixty-four billion, five hundred thirty million, four hundred thirty-four thousand, two hundred six".