549686530390 has 16 divisors (see below), whose sum is σ = 992088404208. Its totient is φ = 219285134496.

The previous prime is 549686530333. The next prime is 549686530403. The reversal of 549686530390 is 93035686945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73680792 + ... + 73688251.

It is an arithmetic number, because the mean of its divisors is an integer number (62005525263).

Almost surely, 2^549686530390 is an apocalyptic number.

549686530390 is a deficient number, since it is larger than the sum of its proper divisors (442401873818).

549686530390 is a wasteful number, since it uses less digits than its factorization.

549686530390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147369423.

The product of its (nonzero) digits is 20995200, while the sum is 58.

It can be divided in two parts, 5496865 and 30390, that added together give a palindrome (5527255).

The spelling of 549686530390 in words is "five hundred forty-nine billion, six hundred eighty-six million, five hundred thirty thousand, three hundred ninety".