481946828591 has 4 divisors (see below), whose sum is σ = 481948269000. Its totient is φ = 481945388184.

The previous prime is 481946828581. The next prime is 481946828603. The reversal of 481946828591 is 195828649184.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 481946828591 - 2³⁴ = 464766959407 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 (481946828521) 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, 72560 + ... + 984458.

It is an arithmetic number, because the mean of its divisors is an integer number (120487067250).

Almost surely, 2^481946828591 is an apocalyptic number.

481946828591 is a deficient number, since it is larger than the sum of its proper divisors (1440409).

481946828591 is an equidigital number, since it uses as much as digits as its factorization.

481946828591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440408.

The product of its digits is 39813120, while the sum is 65.

The spelling of 481946828591 in words is "four hundred eighty-one billion, nine hundred forty-six million, eight hundred twenty-eight thousand, five hundred ninety-one".