461808414947 has 4 divisors (see below), whose sum is σ = 503790998136. Its totient is φ = 419825831760.

The previous prime is 461808414937. The next prime is 461808414959. The reversal of 461808414947 is 749414808164.

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

It is a cyclic number.

It is not a de Polignac number, because 461808414947 - 2¹⁴ = 461808398563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461808414892 and 461808414901.

It is not an unprimeable number, because it can be changed into a prime (461808414937) 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, 20991291578 + ... + 20991291599.

It is an arithmetic number, because the mean of its divisors is an integer number (125947749534).

Almost surely, 2^461808414947 is an apocalyptic number.

461808414947 is a deficient number, since it is larger than the sum of its proper divisors (41982583189).

461808414947 is a wasteful number, since it uses less digits than its factorization.

461808414947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41982583188.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 461808414947 in words is "four hundred sixty-one billion, eight hundred eight million, four hundred fourteen thousand, nine hundred forty-seven".