481377810421 has 4 divisors (see below), whose sum is σ = 481484621632. Its totient is φ = 481270999212.

The previous prime is 481377810377. The next prime is 481377810439. The reversal of 481377810421 is 124018773184.

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 481377810421 - 2⁹ = 481377809909 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 (481377810451) 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, 53398845 + ... + 53407858.

It is an arithmetic number, because the mean of its divisors is an integer number (120371155408).

Almost surely, 2^481377810421 is an apocalyptic number.

It is an amenable number.

481377810421 is a deficient number, since it is larger than the sum of its proper divisors (106811211).

481377810421 is a wasteful number, since it uses less digits than its factorization.

481377810421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106811210.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 481377810421 in words is "four hundred eighty-one billion, three hundred seventy-seven million, eight hundred ten thousand, four hundred twenty-one".