63389105 has 8 divisors (see below), whose sum is σ = 81918312. Its totient is φ = 46810368.

The previous prime is 63389101. The next prime is 63389119. The reversal of 63389105 is 50198336.

It can be written as a sum of positive squares in 4 ways, for example, as 1168561 + 62220544 = 1081^2 + 7888^2 .

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 63389105 - 2² = 63389101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63389101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487544 + ... + 487673.

It is an arithmetic number, because the mean of its divisors is an integer number (10239789).

Almost surely, 2^63389105 is an apocalyptic number.

63389105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63389105 is a deficient number, since it is larger than the sum of its proper divisors (18529207).

63389105 is a wasteful number, since it uses less digits than its factorization.

63389105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975235.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 63389105 is about 7961.7275135488. The cubic root of 63389105 is about 398.7232310722.

The spelling of 63389105 in words is "sixty-three million, three hundred eighty-nine thousand, one hundred five".