2028691035 has 32 divisors (see below), whose sum is σ = 4121786880. Its totient is φ = 927401184.

The previous prime is 2028691001. The next prime is 2028691037. The reversal of 2028691035 is 5301968202.

It is not a de Polignac number, because 2028691035 - 2⁸ = 2028690779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2028691037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1072437 + ... + 1074326.

It is an arithmetic number, because the mean of its divisors is an integer number (128805840).

Almost surely, 2^2028691035 is an apocalyptic number.

2028691035 is an abundant number, since it is smaller than the sum of its proper divisors (2093095845).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2028691035 is a wasteful number, since it uses less digits than its factorization.

2028691035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146784 (or 2146778 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2028691035 is about 45040.9928287555. The cubic root of 2028691035 is about 1265.9172078110.

The spelling of 2028691035 in words is "two billion, twenty-eight million, six hundred ninety-one thousand, thirty-five".