461423281209 has 16 divisors (see below), whose sum is σ = 671180416704. Its totient is φ = 279642440000.

The previous prime is 461423281087. The next prime is 461423281213. The reversal of 461423281209 is 902182324164.

It is a happy number.

It is not a de Polignac number, because 461423281209 - 2²⁹ = 460886410297 is a prime.

It is a super-2 number, since 2×461423281209² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461423282209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088947 + ... + 1452119.

It is an arithmetic number, because the mean of its divisors is an integer number (41948776044).

Almost surely, 2^461423281209 is an apocalyptic number.

It is an amenable number.

461423281209 is a deficient number, since it is larger than the sum of its proper divisors (209757135495).

461423281209 is a wasteful number, since it uses less digits than its factorization.

461423281209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401688.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 461423281209 in words is "four hundred sixty-one billion, four hundred twenty-three million, two hundred eighty-one thousand, two hundred nine".