64285886149 has 8 divisors (see below), whose sum is σ = 64627566872. Its totient is φ = 63944294400.

The previous prime is 64285886143. The next prime is 64285886173. The reversal of 64285886149 is 94168858246.

It can be written as a sum of positive squares in 4 ways, for example, as 13635232900 + 50650653249 = 116770^2 + 225057^2 .

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 64285886149 - 2³ = 64285886141 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 (64285886141) 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, 1835647 + ... + 1870339.

It is an arithmetic number, because the mean of its divisors is an integer number (8078445859).

Almost surely, 2^64285886149 is an apocalyptic number.

It is an amenable number.

64285886149 is a deficient number, since it is larger than the sum of its proper divisors (341680723).

64285886149 is a wasteful number, since it uses less digits than its factorization.

64285886149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44487.

The product of its digits is 26542080, while the sum is 61.

The spelling of 64285886149 in words is "sixty-four billion, two hundred eighty-five million, eight hundred eighty-six thousand, one hundred forty-nine".