521150066413 has 8 divisors (see below), whose sum is σ = 531102622176. Its totient is φ = 511201938000.

The previous prime is 521150066401. The next prime is 521150066453. The reversal of 521150066413 is 314660051125.

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 521150066413 - 2²¹ = 521147969261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521150066453) 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, 868683 + ... + 1340488.

It is an arithmetic number, because the mean of its divisors is an integer number (66387827772).

Almost surely, 2^521150066413 is an apocalyptic number.

521150066413 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

521150066413 is a deficient number, since it is larger than the sum of its proper divisors (9952555763).

521150066413 is a wasteful number, since it uses less digits than its factorization.

521150066413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213675.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 521150066413 in words is "five hundred twenty-one billion, one hundred fifty million, sixty-six thousand, four hundred thirteen".