2829749128 has 16 divisors (see below), whose sum is σ = 5306359500. Its totient is φ = 1414719936.

The previous prime is 2829749123. The next prime is 2829749141. The reversal of 2829749128 is 8219479282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2556111364 + 273637764 = 50558^2 + 16542^2 .

It is not an unprimeable number, because it can be changed into a prime (2829749123) 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 3 ways as a sum of consecutive naturals, for example, 107058 + ... + 130846.

Almost surely, 2^2829749128 is an apocalyptic number.

It is an amenable number.

2829749128 is a deficient number, since it is larger than the sum of its proper divisors (2476610372).

2829749128 is a wasteful number, since it uses less digits than its factorization.

2829749128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38664 (or 38660 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 2829749128 is about 53195.3863412984. The cubic root of 2829749128 is about 1414.4338619297.

The spelling of 2829749128 in words is "two billion, eight hundred twenty-nine million, seven hundred forty-nine thousand, one hundred twenty-eight".