65274125439745 has 4 divisors (see below), whose sum is σ = 78328950527700. Its totient is φ = 52219300351792.

The previous prime is 65274125439709. The next prime is 65274125439767. The reversal of 65274125439745 is 54793452147256.

It is a happy number.

65274125439745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45449939105649 + 19824186334096 = 6741657^2 + 4452436^2 .

It is a cyclic number.

It is not a de Polignac number, because 65274125439745 - 2¹³ = 65274125431553 is a prime.

It is a super-2 number, since 2×65274125439745² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6527412543970 + ... + 6527412543979.

It is an arithmetic number, because the mean of its divisors is an integer number (19582237631925).

Almost surely, 2^{65274125439745} is an apocalyptic number.

It is an amenable number.

65274125439745 is a deficient number, since it is larger than the sum of its proper divisors (13054825087955).

65274125439745 is a wasteful number, since it uses less digits than its factorization.

65274125439745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054825087954.

The product of its digits is 254016000, while the sum is 64.

The spelling of 65274125439745 in words is "sixty-five trillion, two hundred seventy-four billion, one hundred twenty-five million, four hundred thirty-nine thousand, seven hundred forty-five".