63900001 has 8 divisors (see below), whose sum is σ = 70852608. Its totient is φ = 57138000.

The previous prime is 63899987. The next prime is 63900007. The reversal of 63900001 is 10000936.

63900001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63900001 - 2¹³ = 63891809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63900007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46945 + ... + 48286.

It is an arithmetic number, because the mean of its divisors is an integer number (8856576).

Almost surely, 2^63900001 is an apocalyptic number.

63900001 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

63900001 is a deficient number, since it is larger than the sum of its proper divisors (6952607).

63900001 is a wasteful number, since it uses less digits than its factorization.

63900001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95303.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 63900001 is about 7993.7476192334. The cubic root of 63900001 is about 399.7915601509.

Adding to 63900001 its reverse (10000936), we get a palindrome (73900937).

The spelling of 63900001 in words is "sixty-three million, nine hundred thousand, one".