63895139445 has 8 divisors (see below), whose sum is σ = 102232223136. Its totient is φ = 34077407696.

The previous prime is 63895139389. The next prime is 63895139449. The reversal of 63895139445 is 54493159836.

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 63895139445 - 2⁶ = 63895139381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63895139449) 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, 2129837967 + ... + 2129837996.

It is an arithmetic number, because the mean of its divisors is an integer number (12779027892).

Almost surely, 2^63895139445 is an apocalyptic number.

It is an amenable number.

63895139445 is a deficient number, since it is larger than the sum of its proper divisors (38337083691).

63895139445 is a wasteful number, since it uses less digits than its factorization.

63895139445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259675971.

The product of its digits is 13996800, while the sum is 57.

The spelling of 63895139445 in words is "sixty-three billion, eight hundred ninety-five million, one hundred thirty-nine thousand, four hundred forty-five".