65006449697 has 16 divisors (see below), whose sum is σ = 75926353920. Its totient is φ = 54496505808.

The previous prime is 65006449693. The next prime is 65006449709. The reversal of 65006449697 is 79694460056.

It is a happy number.

65006449697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 65006449697 - 2² = 65006449693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65006449693) 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, 412298 + ... + 547724.

It is an arithmetic number, because the mean of its divisors is an integer number (4745397120).

Almost surely, 2^65006449697 is an apocalyptic number.

It is an amenable number.

65006449697 is a deficient number, since it is larger than the sum of its proper divisors (10919904223).

65006449697 is a wasteful number, since it uses less digits than its factorization.

65006449697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136940.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 65006449697 in words is "sixty-five billion, six million, four hundred forty-nine thousand, six hundred ninety-seven".