64865670141 has 8 divisors (see below), whose sum is σ = 91039537120. Its totient is φ = 40967791632.

The previous prime is 64865670073. The next prime is 64865670269. The reversal of 64865670141 is 14107656846.

It is a happy number.

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

It is not a de Polignac number, because 64865670141 - 2⁹ = 64865669629 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 (64865670041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568997050 + ... + 568997163.

It is an arithmetic number, because the mean of its divisors is an integer number (11379942140).

Almost surely, 2^64865670141 is an apocalyptic number.

It is an amenable number.

64865670141 is a deficient number, since it is larger than the sum of its proper divisors (26173866979).

64865670141 is a wasteful number, since it uses less digits than its factorization.

64865670141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137994235.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 64865670141 in words is "sixty-four billion, eight hundred sixty-five million, six hundred seventy thousand, one hundred forty-one".