65441925689139 has 12 divisors (see below), whose sum is σ = 94536071200896. Its totient is φ = 43623868056912.

The previous prime is 65441925689111. The next prime is 65441925689141. The reversal of 65441925689139 is 93198652914456.

65441925689139 is a `hidden beast` number, since 6 + 5 + 4 + 41 + 9 + 2 + 568 + 9 + 13 + 9 = 666.

It is not a de Polignac number, because 65441925689139 - 2⁹ = 65441925688627 is a prime.

It is a super-2 number, since 2×65441925689139² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65441925689939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340098684 + ... + 340291049.

It is an arithmetic number, because the mean of its divisors is an integer number (7878005933408).

Almost surely, 2^{65441925689139} is an apocalyptic number.

65441925689139 is a deficient number, since it is larger than the sum of its proper divisors (29094145511757).

65441925689139 is a wasteful number, since it uses less digits than its factorization.

65441925689139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680400426 (or 680400423 counting only the distinct ones).

The product of its digits is 503884800, while the sum is 72.

The spelling of 65441925689139 in words is "sixty-five trillion, four hundred forty-one billion, nine hundred twenty-five million, six hundred eighty-nine thousand, one hundred thirty-nine".