63269532749 has 8 divisors (see below), whose sum is σ = 63500481408. Its totient is φ = 63038903040.

The previous prime is 63269532743. The next prime is 63269532779. The reversal of 63269532749 is 94723596236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63269532749 - 2³² = 58974565453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63269532694 and 63269532703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63269532743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321389 + ... + 479405.

It is an arithmetic number, because the mean of its divisors is an integer number (7937560176).

Almost surely, 2^63269532749 is an apocalyptic number.

It is an amenable number.

63269532749 is a deficient number, since it is larger than the sum of its proper divisors (230948659).

63269532749 is a wasteful number, since it uses less digits than its factorization.

63269532749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159475.

The product of its digits is 14696640, while the sum is 56.

The spelling of 63269532749 in words is "sixty-three billion, two hundred sixty-nine million, five hundred thirty-two thousand, seven hundred forty-nine".