481961156273 has 4 divisors (see below), whose sum is σ = 493716306468. Its totient is φ = 470206006080.

The previous prime is 481961156203. The next prime is 481961156323. The reversal of 481961156273 is 372651169184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33091975744 + 448869180529 = 181912^2 + 669977^2 .

It is a cyclic number.

It is not a de Polignac number, because 481961156273 - 2²⁰ = 481960107697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481961156203) 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, 5877575036 + ... + 5877575117.

It is an arithmetic number, because the mean of its divisors is an integer number (123429076617).

Almost surely, 2^481961156273 is an apocalyptic number.

It is an amenable number.

481961156273 is a deficient number, since it is larger than the sum of its proper divisors (11755150195).

481961156273 is a wasteful number, since it uses less digits than its factorization.

481961156273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11755150194.

The product of its digits is 2177280, while the sum is 53.

The spelling of 481961156273 in words is "four hundred eighty-one billion, nine hundred sixty-one million, one hundred fifty-six thousand, two hundred seventy-three".