65415127432 has 8 divisors (see below), whose sum is σ = 122653363950. Its totient is φ = 32707563712.

The previous prime is 65415127409. The next prime is 65415127439. The reversal of 65415127432 is 23472151456.

It can be written as a sum of positive squares in only one way, i.e., 58900377636 + 6514749796 = 242694^2 + 80714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (65415127439) 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 as a sum of consecutive naturals, namely, 4088445457 + ... + 4088445472.

Almost surely, 2^65415127432 is an apocalyptic number.

It is an amenable number.

65415127432 is a deficient number, since it is larger than the sum of its proper divisors (57238236518).

65415127432 is a wasteful number, since it uses less digits than its factorization.

65415127432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176890935 (or 8176890931 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

Adding to 65415127432 its reverse (23472151456), we get a palindrome (88887278888).

The spelling of 65415127432 in words is "sixty-five billion, four hundred fifteen million, one hundred twenty-seven thousand, four hundred thirty-two".