63349633 has 16 divisors (see below), whose sum is σ = 69494544. Its totient is φ = 57507840.

The previous prime is 63349609. The next prime is 63349651. The reversal of 63349633 is 33694336.

It can be written as a sum of positive squares in 8 ways, for example, as 11336689 + 52012944 = 3367^2 + 7212^2 .

It is a cyclic number.

It is not a de Polignac number, because 63349633 - 2²⁵ = 29795201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63349592 and 63349601.

It is not an unprimeable number, because it can be changed into a prime (63349333) 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, 67141 + ... + 68077.

It is an arithmetic number, because the mean of its divisors is an integer number (4343409).

Almost surely, 2^63349633 is an apocalyptic number.

It is an amenable number.

63349633 is a deficient number, since it is larger than the sum of its proper divisors (6144911).

63349633 is a wasteful number, since it uses less digits than its factorization.

63349633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its digits is 104976, while the sum is 37.

The square root of 63349633 is about 7959.2482685239. The cubic root of 63349633 is about 398.6404530656.

The spelling of 63349633 in words is "sixty-three million, three hundred forty-nine thousand, six hundred thirty-three".