65049639963 has 32 divisors (see below), whose sum is σ = 108188282880. Its totient is φ = 33775203360.

The previous prime is 65049639943. The next prime is 65049639979. The reversal of 65049639963 is 36993694056.

65049639963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65049639963 - 2⁹ = 65049639451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65049639897 and 65049639906.

It is not an unprimeable number, because it can be changed into a prime (65049639923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401956 + ... + 540062.

It is an arithmetic number, because the mean of its divisors is an integer number (3380883840).

Almost surely, 2^65049639963 is an apocalyptic number.

65049639963 is a deficient number, since it is larger than the sum of its proper divisors (43138642917).

65049639963 is a wasteful number, since it uses less digits than its factorization.

65049639963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140167.

The product of its (nonzero) digits is 28343520, while the sum is 60.

The spelling of 65049639963 in words is "sixty-five billion, forty-nine million, six hundred thirty-nine thousand, nine hundred sixty-three".