64839107461 has 8 divisors (see below), whose sum is σ = 65952180000. Its totient is φ = 63735272400.

The previous prime is 64839107449. The next prime is 64839107471. The reversal of 64839107461 is 16470193846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64839107461 - 2³⁵ = 30479369093 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 (64839107471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295211 + ... + 2323288.

It is an arithmetic number, because the mean of its divisors is an integer number (8244022500).

Almost surely, 2^64839107461 is an apocalyptic number.

It is an amenable number.

64839107461 is a deficient number, since it is larger than the sum of its proper divisors (1113072539).

64839107461 is a wasteful number, since it uses less digits than its factorization.

64839107461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618739.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 64839107461 in words is "sixty-four billion, eight hundred thirty-nine million, one hundred seven thousand, four hundred sixty-one".