461646013 has 4 divisors (see below), whose sum is σ = 468536320. Its totient is φ = 454755708.

The previous prime is 461646011. The next prime is 461646089. The reversal of 461646013 is 310646164.

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 461646013 - 2¹ = 461646011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461646011) 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, 3445053 + ... + 3445186.

It is an arithmetic number, because the mean of its divisors is an integer number (117134080).

Almost surely, 2^461646013 is an apocalyptic number.

It is an amenable number.

461646013 is a deficient number, since it is larger than the sum of its proper divisors (6890307).

461646013 is an equidigital number, since it uses as much as digits as its factorization.

461646013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890306.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 461646013 is about 21485.9491994187. The cubic root of 461646013 is about 772.8639134701.

The spelling of 461646013 in words is "four hundred sixty-one million, six hundred forty-six thousand, thirteen".