481779249 has 16 divisors (see below), whose sum is σ = 734452608. Its totient is φ = 275185152.

The previous prime is 481779247. The next prime is 481779271. The reversal of 481779249 is 942977184.

It is not a de Polignac number, because 481779249 - 2¹ = 481779247 is a prime.

It is a super-2 number, since 2×481779249² = 464222489534008002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481779247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79329 + ... + 85185.

It is an arithmetic number, because the mean of its divisors is an integer number (45903288).

Almost surely, 2^481779249 is an apocalyptic number.

It is an amenable number.

481779249 is a deficient number, since it is larger than the sum of its proper divisors (252673359).

481779249 is a wasteful number, since it uses less digits than its factorization.

481779249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9784.

The product of its digits is 1016064, while the sum is 51.

The square root of 481779249 is about 21949.4703580747. The cubic root of 481779249 is about 783.9397692735.

The spelling of 481779249 in words is "four hundred eighty-one million, seven hundred seventy-nine thousand, two hundred forty-nine".