64083849 has 4 divisors (see below), whose sum is σ = 85445136. Its totient is φ = 42722564.

The previous prime is 64083839. The next prime is 64083869. The reversal of 64083849 is 94838046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64083849 - 2⁹ = 64083337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64083849.

It is not an unprimeable number, because it can be changed into a prime (64083809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10680639 + ... + 10680644.

It is an arithmetic number, because the mean of its divisors is an integer number (21361284).

Almost surely, 2^64083849 is an apocalyptic number.

It is an amenable number.

64083849 is a deficient number, since it is larger than the sum of its proper divisors (21361287).

64083849 is a wasteful number, since it uses less digits than its factorization.

64083849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21361286.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 64083849 is about 8005.2388471550. The cubic root of 64083849 is about 400.1746091847.

The spelling of 64083849 in words is "sixty-four million, eighty-three thousand, eight hundred forty-nine".