461641333342421 has 4 divisors (see below), whose sum is σ = 462629858681952. Its totient is φ = 460652808002892.

The previous prime is 461641333342331. The next prime is 461641333342433. The reversal of 461641333342421 is 124243333146164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 461641333342421 - 2¹⁴ = 461641333326037 is a prime.

It is a super-2 number, since 2×461641333342421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461641333345421) 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, 494262669065 + ... + 494262669998.

It is an arithmetic number, because the mean of its divisors is an integer number (115657464670488).

Almost surely, 2^{461641333342421} is an apocalyptic number.

It is an amenable number.

461641333342421 is a deficient number, since it is larger than the sum of its proper divisors (988525339531).

461641333342421 is an equidigital number, since it uses as much as digits as its factorization.

461641333342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988525339530.

The product of its digits is 2985984, while the sum is 47.

Adding to 461641333342421 its reverse (124243333146164), we get a palindrome (585884666488585).

The spelling of 461641333342421 in words is "four hundred sixty-one trillion, six hundred forty-one billion, three hundred thirty-three million, three hundred forty-two thousand, four hundred twenty-one".