64829653 has 32 divisors (see below), whose sum is σ = 84291840. Its totient is φ = 48522240.

The previous prime is 64829629. The next prime is 64829693. The reversal of 64829653 is 35692846.

It is a cyclic number.

It is not a de Polignac number, because 64829653 - 2²⁵ = 31275221 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64829693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119563 + ... + 120103.

It is an arithmetic number, because the mean of its divisors is an integer number (2634120).

Almost surely, 2^64829653 is an apocalyptic number.

It is an amenable number.

64829653 is a deficient number, since it is larger than the sum of its proper divisors (19462187).

64829653 is a wasteful number, since it uses less digits than its factorization.

64829653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its digits is 311040, while the sum is 43.

The square root of 64829653 is about 8051.6863451081. The cubic root of 64829653 is about 401.7210282842.

The spelling of 64829653 in words is "sixty-four million, eight hundred twenty-nine thousand, six hundred fifty-three".