541721397530 has 8 divisors (see below), whose sum is σ = 975098515572. Its totient is φ = 216688559008.

The previous prime is 541721397523. The next prime is 541721397631. The reversal of 541721397530 is 35793127145.

It can be written as a sum of positive squares in 2 ways, for example, as 503953750609 + 37767646921 = 709897^2 + 194339^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27086069867 + ... + 27086069886.

Almost surely, 2^541721397530 is an apocalyptic number.

541721397530 is a deficient number, since it is larger than the sum of its proper divisors (433377118042).

541721397530 is a wasteful number, since it uses less digits than its factorization.

541721397530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54172139760.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 541721397530 in words is "five hundred forty-one billion, seven hundred twenty-one million, three hundred ninety-seven thousand, five hundred thirty".