461212771873 has 4 divisors (see below), whose sum is σ = 527100310720. Its totient is φ = 395325233028.

The previous prime is 461212771829. The next prime is 461212771913. The reversal of 461212771873 is 378177212164.

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 461212771873 - 2¹³ = 461212763681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461212771823) 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, 32943769413 + ... + 32943769426.

It is an arithmetic number, because the mean of its divisors is an integer number (131775077680).

Almost surely, 2^461212771873 is an apocalyptic number.

It is an amenable number.

461212771873 is a deficient number, since it is larger than the sum of its proper divisors (65887538847).

461212771873 is an equidigital number, since it uses as much as digits as its factorization.

461212771873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65887538846.

The product of its digits is 790272, while the sum is 49.

The spelling of 461212771873 in words is "four hundred sixty-one billion, two hundred twelve million, seven hundred seventy-one thousand, eight hundred seventy-three".