65134504651 has 4 divisors (see below), whose sum is σ = 65136227392. Its totient is φ = 65132781912.

The previous prime is 65134504639. The next prime is 65134504693. The reversal of 65134504651 is 15640543156.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65134504651 - 2¹¹ = 65134502603 is a prime.

It is a super-2 number, since 2×65134504651² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65134504621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803355 + ... + 880708.

It is an arithmetic number, because the mean of its divisors is an integer number (16284056848).

Almost surely, 2^65134504651 is an apocalyptic number.

65134504651 is a deficient number, since it is larger than the sum of its proper divisors (1722741).

65134504651 is a wasteful number, since it uses less digits than its factorization.

65134504651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722740.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 65134504651 in words is "sixty-five billion, one hundred thirty-four million, five hundred four thousand, six hundred fifty-one".