462381621521 has 8 divisors (see below), whose sum is σ = 492117230664. Its totient is φ = 432927866880.

The previous prime is 462381621517. The next prime is 462381621529. The reversal of 462381621521 is 125126183264.

It can be written as a sum of positive squares in 4 ways, for example, as 233782887121 + 228598734400 = 483511^2 + 478120^2 .

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 462381621521 - 2² = 462381621517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (462381621529) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70460240 + ... + 70466801.

It is an arithmetic number, because the mean of its divisors is an integer number (61514653833).

Almost surely, 2^462381621521 is an apocalyptic number.

It is an amenable number.

462381621521 is a deficient number, since it is larger than the sum of its proper divisors (29735609143).

462381621521 is a wasteful number, since it uses less digits than its factorization.

462381621521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140927251.

The product of its digits is 138240, while the sum is 41.

The spelling of 462381621521 in words is "four hundred sixty-two billion, three hundred eighty-one million, six hundred twenty-one thousand, five hundred twenty-one".