65311629068 has 24 divisors (see below), whose sum is σ = 134153618592. Its totient is φ = 27234192384.

The previous prime is 65311629067. The next prime is 65311629077. The reversal of 65311629068 is 86092611356.

It is a happy number.

65311629068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65311629067) 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, 31520021 + ... + 31522092.

It is an arithmetic number, because the mean of its divisors is an integer number (5589734108).

Almost surely, 2^65311629068 is an apocalyptic number.

It is an amenable number.

65311629068 is an abundant number, since it is smaller than the sum of its proper divisors (68841989524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65311629068 is a wasteful number, since it uses less digits than its factorization.

65311629068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63042161 (or 63042159 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 65311629068 in words is "sixty-five billion, three hundred eleven million, six hundred twenty-nine thousand, sixty-eight".