64006812407 has 4 divisors (see below), whose sum is σ = 64008064416. Its totient is φ = 64005560400.

The previous prime is 64006812383. The next prime is 64006812437. The reversal of 64006812407 is 70421860046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64006812407 - 2⁸ = 64006812151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64006812437) 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 3 ways as a sum of consecutive naturals, for example, 545903 + ... + 652704.

It is an arithmetic number, because the mean of its divisors is an integer number (16002016104).

Almost surely, 2^64006812407 is an apocalyptic number.

64006812407 is a deficient number, since it is larger than the sum of its proper divisors (1252009).

64006812407 is a wasteful number, since it uses less digits than its factorization.

64006812407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252008.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 64006812407 in words is "sixty-four billion, six million, eight hundred twelve thousand, four hundred seven".