4781274949 has 12 divisors (see below), whose sum is σ = 5263041420. Its totient is φ = 4340336000.

The previous prime is 4781274917. The next prime is 4781274997. The reversal of 4781274949 is 9494721874.

It can be written as a sum of positive squares in 2 ways, for example, as 2096998849 + 2684276100 = 45793^2 + 51810^2 .

It is not a de Polignac number, because 4781274949 - 2⁵ = 4781274917 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4781274949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781974949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56637 + ... + 113005.

It is an arithmetic number, because the mean of its divisors is an integer number (438586785).

Almost surely, 2^4781274949 is an apocalyptic number.

It is an amenable number.

4781274949 is a deficient number, since it is larger than the sum of its proper divisors (481766471).

4781274949 is a wasteful number, since it uses less digits than its factorization.

4781274949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57092 (or 57081 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 4781274949 is about 69146.7638360610. The cubic root of 4781274949 is about 1684.6689554434.

The spelling of 4781274949 in words is "four billion, seven hundred eighty-one million, two hundred seventy-four thousand, nine hundred forty-nine".