480840403991 has 2 divisors, whose sum is σ = 480840403992. Its totient is φ = 480840403990.

The previous prime is 480840403943. The next prime is 480840404003. The reversal of 480840403991 is 199304048084.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 480840403991 - 2¹⁰ = 480840402967 is a prime.

It is a super-3 number, since 3×480840403991³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (480840403091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240420201995 + 240420201996.

It is an arithmetic number, because the mean of its divisors is an integer number (240420201996).

Almost surely, 2^480840403991 is an apocalyptic number.

480840403991 is a deficient number, since it is larger than the sum of its proper divisors (1).

480840403991 is an equidigital number, since it uses as much as digits as its factorization.

480840403991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 480840403991 in words is "four hundred eighty billion, eight hundred forty million, four hundred three thousand, nine hundred ninety-one".