64829693 has 2 divisors, whose sum is σ = 64829694. Its totient is φ = 64829692.

The previous prime is 64829629. The next prime is 64829707. The reversal of 64829693 is 39692846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47706649 + 17123044 = 6907^2 + 4138^2 .

It is a cyclic number.

It is not a de Polignac number, because 64829693 - 2⁶ = 64829629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64826693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32414846 + 32414847.

It is an arithmetic number, because the mean of its divisors is an integer number (32414847).

Almost surely, 2^64829693 is an apocalyptic number.

It is an amenable number.

64829693 is a deficient number, since it is larger than the sum of its proper divisors (1).

64829693 is an equidigital number, since it uses as much as digits as its factorization.

64829693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 64829693 is about 8051.6888290594. The cubic root of 64829693 is about 401.7211109050.

The spelling of 64829693 in words is "sixty-four million, eight hundred twenty-nine thousand, six hundred ninety-three".