538985276641 has 32 divisors (see below), whose sum is σ = 686727832320. Its totient is φ = 411816960000.

The previous prime is 538985276633. The next prime is 538985276647. The reversal of 538985276641 is 146672589835.

It is a cyclic number.

It is not a de Polignac number, because 538985276641 - 2³ = 538985276633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538985276647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9016471 + ... + 9076051.

It is an arithmetic number, because the mean of its divisors is an integer number (21460244760).

Almost surely, 2^538985276641 is an apocalyptic number.

It is an amenable number.

538985276641 is a deficient number, since it is larger than the sum of its proper divisors (147742555679).

538985276641 is a wasteful number, since it uses less digits than its factorization.

538985276641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63625.

The product of its digits is 87091200, while the sum is 64.

The spelling of 538985276641 in words is "five hundred thirty-eight billion, nine hundred eighty-five million, two hundred seventy-six thousand, six hundred forty-one".