755521664539 has 16 divisors (see below), whose sum is σ = 813693705120. Its totient is φ = 700031082240.

The previous prime is 755521664533. The next prime is 755521664543. The reversal of 755521664539 is 935466125557.

It is not a de Polignac number, because 755521664539 - 2⁷ = 755521664411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (755521664533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4744417 + ... + 4901074.

It is an arithmetic number, because the mean of its divisors is an integer number (50855856570).

Almost surely, 2^755521664539 is an apocalyptic number.

755521664539 is a deficient number, since it is larger than the sum of its proper divisors (58172040581).

755521664539 is a wasteful number, since it uses less digits than its factorization.

755521664539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645630.

The product of its digits is 34020000, while the sum is 58.

The spelling of 755521664539 in words is "seven hundred fifty-five billion, five hundred twenty-one million, six hundred sixty-four thousand, five hundred thirty-nine".