65045599697 has 16 divisors (see below), whose sum is σ = 72955636992. Its totient is φ = 57596495040.

The previous prime is 65045599693. The next prime is 65045599709. The reversal of 65045599697 is 79699554056.

It is not a de Polignac number, because 65045599697 - 2² = 65045599693 is a prime.

It is a super-3 number, since 3×65045599697³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65045599693) 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, 918173 + ... + 986474.

It is an arithmetic number, because the mean of its divisors is an integer number (4559727312).

Almost surely, 2^65045599697 is an apocalyptic number.

It is an amenable number.

65045599697 is a deficient number, since it is larger than the sum of its proper divisors (7910037295).

65045599697 is a wasteful number, since it uses less digits than its factorization.

65045599697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904768.

The product of its (nonzero) digits is 91854000, while the sum is 65.

The spelling of 65045599697 in words is "sixty-five billion, forty-five million, five hundred ninety-nine thousand, six hundred ninety-seven".