461781469501 has 48 divisors (see below), whose sum is σ = 546495731712. Its totient is φ = 388502231040.

The previous prime is 461781469469. The next prime is 461781469517. The reversal of 461781469501 is 105964187164.

It is a happy number.

It is not a de Polignac number, because 461781469501 - 2⁵ = 461781469469 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 (461781469001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29512186 + ... + 29527828.

It is an arithmetic number, because the mean of its divisors is an integer number (11385327744).

Almost surely, 2^461781469501 is an apocalyptic number.

It is an amenable number.

461781469501 is a deficient number, since it is larger than the sum of its proper divisors (84714262211).

461781469501 is a wasteful number, since it uses less digits than its factorization.

461781469501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15922 (or 15911 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 461781469501 in words is "four hundred sixty-one billion, seven hundred eighty-one million, four hundred sixty-nine thousand, five hundred one".