64849291 has 4 divisors (see below), whose sum is σ = 69837712. Its totient is φ = 59860872.

The previous prime is 64849229. The next prime is 64849297. The reversal of 64849291 is 19294846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64849291 - 2¹³ = 64841099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64849297) 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, 2494191 + ... + 2494216.

It is an arithmetic number, because the mean of its divisors is an integer number (17459428).

Almost surely, 2^64849291 is an apocalyptic number.

64849291 is a deficient number, since it is larger than the sum of its proper divisors (4988421).

64849291 is a wasteful number, since it uses less digits than its factorization.

64849291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988420.

The product of its digits is 124416, while the sum is 43.

The square root of 64849291 is about 8052.9057488586. The cubic root of 64849291 is about 401.7615868905.

The spelling of 64849291 in words is "sixty-four million, eight hundred forty-nine thousand, two hundred ninety-one".