63896903841 has 16 divisors (see below), whose sum is σ = 90020874240. Its totient is φ = 40202485200.

The previous prime is 63896903743. The next prime is 63896903867. The reversal of 63896903841 is 14830969836.

It is a happy number.

It is not a de Polignac number, because 63896903841 - 2⁷ = 63896903713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (63896903881) 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, 2116185 + ... + 2146166.

It is an arithmetic number, because the mean of its divisors is an integer number (5626304640).

Almost surely, 2^63896903841 is an apocalyptic number.

It is an amenable number.

63896903841 is a deficient number, since it is larger than the sum of its proper divisors (26123970399).

63896903841 is a wasteful number, since it uses less digits than its factorization.

63896903841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262636.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 63896903841 in words is "sixty-three billion, eight hundred ninety-six million, nine hundred three thousand, eight hundred forty-one".