539557398881 has 8 divisors (see below), whose sum is σ = 549412320960. Its totient is φ = 529726139632.

The previous prime is 539557398869. The next prime is 539557398883. The reversal of 539557398881 is 188893755935.

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

It is a cyclic number.

It is not a de Polignac number, because 539557398881 - 2⁶ = 539557398817 is a prime.

It is a super-2 number, since 2×539557398881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539557398883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5869685 + ... + 5960898.

It is an arithmetic number, because the mean of its divisors is an integer number (68676540120).

Almost surely, 2^539557398881 is an apocalyptic number.

It is an amenable number.

539557398881 is a deficient number, since it is larger than the sum of its proper divisors (9854922079).

539557398881 is a wasteful number, since it uses less digits than its factorization.

539557398881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831415.

The product of its digits is 326592000, while the sum is 71.

The spelling of 539557398881 in words is "five hundred thirty-nine billion, five hundred fifty-seven million, three hundred ninety-eight thousand, eight hundred eighty-one".