461313057421 has 4 divisors (see below), whose sum is σ = 461815031200. Its totient is φ = 460811083644.

The previous prime is 461313057301. The next prime is 461313057473. The reversal of 461313057421 is 124750313164.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-461313057421 is a prime.

It is a super-2 number, since 2×461313057421² (a number of 24 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 (461313055421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250985511 + ... + 250987348.

It is an arithmetic number, because the mean of its divisors is an integer number (115453757800).

Almost surely, 2^461313057421 is an apocalyptic number.

It is an amenable number.

461313057421 is a deficient number, since it is larger than the sum of its proper divisors (501973779).

461313057421 is an equidigital number, since it uses as much as digits as its factorization.

461313057421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501973778.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 461313057421 in words is "four hundred sixty-one billion, three hundred thirteen million, fifty-seven thousand, four hundred twenty-one".