65335493457 has 48 divisors (see below), whose sum is σ = 110977231680. Its totient is φ = 37841326848.

The previous prime is 65335493449. The next prime is 65335493599. The reversal of 65335493457 is 75439453356.

65335493457 is a `hidden beast` number, since 6 + 53 + 3 + 54 + 93 + 457 = 666.

It is not a de Polignac number, because 65335493457 - 2³ = 65335493449 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65335493417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343563 + ... + 498704.

It is an arithmetic number, because the mean of its divisors is an integer number (2312025660).

Almost surely, 2^65335493457 is an apocalyptic number.

It is an amenable number.

65335493457 is a deficient number, since it is larger than the sum of its proper divisors (45641738223).

65335493457 is a wasteful number, since it uses less digits than its factorization.

65335493457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842319 (or 842300 counting only the distinct ones).

The product of its digits is 20412000, while the sum is 54.

The spelling of 65335493457 in words is "sixty-five billion, three hundred thirty-five million, four hundred ninety-three thousand, four hundred fifty-seven".