63826969 has 4 divisors (see below), whose sum is σ = 64005120. Its totient is φ = 63648820.

The previous prime is 63826963. The next prime is 63826991. The reversal of 63826969 is 96962836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63826969 - 2⁹ = 63826457 is a prime.

It is a super-2 number, since 2×63826969² = 8147763943453922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) 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 not an unprimeable number, because it can be changed into a prime (63826963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88537 + ... + 89254.

It is an arithmetic number, because the mean of its divisors is an integer number (16001280).

Almost surely, 2^63826969 is an apocalyptic number.

It is an amenable number.

63826969 is a deficient number, since it is larger than the sum of its proper divisors (178151).

63826969 is a wasteful number, since it uses less digits than its factorization.

63826969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178150.

The product of its digits is 839808, while the sum is 49.

The square root of 63826969 is about 7989.1782430986. The cubic root of 63826969 is about 399.6391933943.

The spelling of 63826969 in words is "sixty-three million, eight hundred twenty-six thousand, nine hundred sixty-nine".