64853193 has 16 divisors (see below), whose sum is σ = 91874880. Its totient is φ = 40614336.

The previous prime is 64853189. The next prime is 64853203. The reversal of 64853193 is 39135846.

It is not a de Polignac number, because 64853193 - 2² = 64853189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64853993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6855 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (5742180).

Almost surely, 2^64853193 is an apocalyptic number.

It is an amenable number.

64853193 is a deficient number, since it is larger than the sum of its proper divisors (27021687).

64853193 is a wasteful number, since it uses less digits than its factorization.

64853193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20216.

The product of its digits is 77760, while the sum is 39.

The square root of 64853193 is about 8053.1480180113. The cubic root of 64853193 is about 401.7696447646.

The spelling of 64853193 in words is "sixty-four million, eight hundred fifty-three thousand, one hundred ninety-three".