2428837281 has 48 divisors (see below), whose sum is σ = 3830235136. Its totient is φ = 1474236288.

The previous prime is 2428837273. The next prime is 2428837291. The reversal of 2428837281 is 1827388242.

2428837281 is a `hidden beast` number, since 2 + 428 + 83 + 72 + 81 = 666.

It is not a de Polignac number, because 2428837281 - 2³ = 2428837273 is a prime.

It is a super-2 number, since 2×2428837281² = 11798501075150945922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2428837291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3313191 + ... + 3313923.

Almost surely, 2^2428837281 is an apocalyptic number.

It is an amenable number.

2428837281 is a deficient number, since it is larger than the sum of its proper divisors (1401397855).

2428837281 is a wasteful number, since it uses less digits than its factorization.

2428837281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1099 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 2428837281 is about 49283.2352935560. The cubic root of 2428837281 is about 1344.2069611798.

The spelling of 2428837281 in words is "two billion, four hundred twenty-eight million, eight hundred thirty-seven thousand, two hundred eighty-one".