461620512317 has 4 divisors (see below), whose sum is σ = 461632933116. Its totient is φ = 461608091520.

The previous prime is 461620512313. The next prime is 461620512349. The reversal of 461620512317 is 713215026164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9167871001 + 452452641316 = 95749^2 + 672646^2 .

It is a cyclic number.

It is not a de Polignac number, because 461620512317 - 2² = 461620512313 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 (461620512313) 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, 6154484 + ... + 6229037.

It is an arithmetic number, because the mean of its divisors is an integer number (115408233279).

Almost surely, 2^461620512317 is an apocalyptic number.

It is an amenable number.

461620512317 is a deficient number, since it is larger than the sum of its proper divisors (12420799).

461620512317 is a wasteful number, since it uses less digits than its factorization.

461620512317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420798.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 461620512317 in words is "four hundred sixty-one billion, six hundred twenty million, five hundred twelve thousand, three hundred seventeen".