539486905690 has 8 divisors (see below), whose sum is σ = 971076430260. Its totient is φ = 215794762272.

The previous prime is 539486905649. The next prime is 539486905693. The reversal of 539486905690 is 96509684935.

It can be written as a sum of positive squares in 2 ways, for example, as 530023312729 + 9463592961 = 728027^2 + 97281^2 .

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

It is a super-2 number, since 2×539486905690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (539486905693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26974345275 + ... + 26974345294.

Almost surely, 2^539486905690 is an apocalyptic number.

539486905690 is a deficient number, since it is larger than the sum of its proper divisors (431589524570).

539486905690 is a wasteful number, since it uses less digits than its factorization.

539486905690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53948690576.

The product of its (nonzero) digits is 62985600, while the sum is 64.

The spelling of 539486905690 in words is "five hundred thirty-nine billion, four hundred eighty-six million, nine hundred five thousand, six hundred ninety".