65585332457 has 4 divisors (see below), whose sum is σ = 69037192080. Its totient is φ = 62133472836.

The previous prime is 65585332441. The next prime is 65585332471. The reversal of 65585332457 is 75423358556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65585332457 - 2⁴ = 65585332441 is a prime.

It is a super-3 number, since 3×65585332457³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65585332399 and 65585332408.

It is not an unprimeable number, because it can be changed into a prime (65585332357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725929783 + ... + 1725929820.

It is an arithmetic number, because the mean of its divisors is an integer number (17259298020).

Almost surely, 2^65585332457 is an apocalyptic number.

It is an amenable number.

65585332457 is a deficient number, since it is larger than the sum of its proper divisors (3451859623).

65585332457 is a wasteful number, since it uses less digits than its factorization.

65585332457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451859622.

The product of its digits is 15120000, while the sum is 53.

The spelling of 65585332457 in words is "sixty-five billion, five hundred eighty-five million, three hundred thirty-two thousand, four hundred fifty-seven".