65145544727 has 2 divisors, whose sum is σ = 65145544728. Its totient is φ = 65145544726.

The previous prime is 65145544703. The next prime is 65145544759. The reversal of 65145544727 is 72744554156.

It is a happy number.

65145544727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65145544727 - 2¹⁰ = 65145543703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65145544327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32572772363 + 32572772364.

It is an arithmetic number, because the mean of its divisors is an integer number (32572772364).

Almost surely, 2^65145544727 is an apocalyptic number.

65145544727 is a deficient number, since it is larger than the sum of its proper divisors (1).

65145544727 is an equidigital number, since it uses as much as digits as its factorization.

65145544727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704000, while the sum is 50.

The spelling of 65145544727 in words is "sixty-five billion, one hundred forty-five million, five hundred forty-four thousand, seven hundred twenty-seven".