481731407349 has 4 divisors (see below), whose sum is σ = 642308543136. Its totient is φ = 321154271564.

The previous prime is 481731407323. The next prime is 481731407383. The reversal of 481731407349 is 943704137184.

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 481731407349 - 2⁷ = 481731407221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481731407309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80288567889 + ... + 80288567894.

It is an arithmetic number, because the mean of its divisors is an integer number (160577135784).

Almost surely, 2^481731407349 is an apocalyptic number.

It is an amenable number.

481731407349 is a deficient number, since it is larger than the sum of its proper divisors (160577135787).

481731407349 is a wasteful number, since it uses less digits than its factorization.

481731407349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160577135786.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 481731407349 in words is "four hundred eighty-one billion, seven hundred thirty-one million, four hundred seven thousand, three hundred forty-nine".