537889680217 has 8 divisors (see below), whose sum is σ = 555367034880. Its totient is φ = 520420205280.

The previous prime is 537889680169. The next prime is 537889680227. The reversal of 537889680217 is 712086988735.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-537889680217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537889680227) 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 7 ways as a sum of consecutive naturals, for example, 1831033 + ... + 2104390.

It is an arithmetic number, because the mean of its divisors is an integer number (69420879360).

Almost surely, 2^537889680217 is an apocalyptic number.

It is an amenable number.

537889680217 is a deficient number, since it is larger than the sum of its proper divisors (17477354663).

537889680217 is a wasteful number, since it uses less digits than its factorization.

537889680217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939863.

The product of its (nonzero) digits is 40642560, while the sum is 64.

The spelling of 537889680217 in words is "five hundred thirty-seven billion, eight hundred eighty-nine million, six hundred eighty thousand, two hundred seventeen".