64849629 has 16 divisors (see below), whose sum is σ = 93857792. Its totient is φ = 39590208.

The previous prime is 64849621. The next prime is 64849637. The reversal of 64849629 is 92694846.

It is an interprime number because it is at equal distance from previous prime (64849621) and next prime (64849637).

It is not a de Polignac number, because 64849629 - 2³ = 64849621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64849621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (5866112).

Almost surely, 2^64849629 is an apocalyptic number.

It is an amenable number.

64849629 is a deficient number, since it is larger than the sum of its proper divisors (29008163).

64849629 is a wasteful number, since it uses less digits than its factorization.

64849629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13236.

The product of its digits is 746496, while the sum is 48.

The square root of 64849629 is about 8052.9267350448. The cubic root of 64849629 is about 401.7622848944.

The spelling of 64849629 in words is "sixty-four million, eight hundred forty-nine thousand, six hundred twenty-nine".