65239495485 has 16 divisors (see below), whose sum is σ = 104482536000. Its totient is φ = 34761283200.

The previous prime is 65239495457. The next prime is 65239495523. The reversal of 65239495485 is 58459493256.

It is not a de Polignac number, because 65239495485 - 2⁶ = 65239495421 is a prime.

It is a super-2 number, since 2×65239495485² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2053360 + ... + 2084889.

It is an arithmetic number, because the mean of its divisors is an integer number (6530158500).

Almost surely, 2^65239495485 is an apocalyptic number.

It is an amenable number.

65239495485 is a deficient number, since it is larger than the sum of its proper divisors (39243040515).

65239495485 is a wasteful number, since it uses less digits than its factorization.

65239495485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139308.

The product of its digits is 46656000, while the sum is 60.

The spelling of 65239495485 in words is "sixty-five billion, two hundred thirty-nine million, four hundred ninety-five thousand, four hundred eighty-five".