64407284121 has 8 divisors (see below), whose sum is σ = 90396188320. Its totient is φ = 40678284672.

The previous prime is 64407284113. The next prime is 64407284147. The reversal of 64407284121 is 12148270446.

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

It is not a de Polignac number, because 64407284121 - 2³ = 64407284113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64407284121.

It is not an unprimeable number, because it can be changed into a prime (64407284191) 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 7 ways as a sum of consecutive naturals, for example, 564976120 + ... + 564976233.

It is an arithmetic number, because the mean of its divisors is an integer number (11299523540).

Almost surely, 2^64407284121 is an apocalyptic number.

It is an amenable number.

64407284121 is a deficient number, since it is larger than the sum of its proper divisors (25988904199).

64407284121 is a wasteful number, since it uses less digits than its factorization.

64407284121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129952375.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 64407284121 in words is "sixty-four billion, four hundred seven million, two hundred eighty-four thousand, one hundred twenty-one".