2021299608 has 32 divisors (see below), whose sum is σ = 5091831360. Its totient is φ = 668622240.

The previous prime is 2021299607. The next prime is 2021299619. The reversal of 2021299608 is 8069921202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021299601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318310 + ... + 324597.

It is an arithmetic number, because the mean of its divisors is an integer number (159119730).

Almost surely, 2^2021299608 is an apocalyptic number.

It is an amenable number.

2021299608 is an abundant number, since it is smaller than the sum of its proper divisors (3070531752).

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

2021299608 is a wasteful number, since it uses less digits than its factorization.

2021299608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643047 (or 643043 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2021299608 is about 44958.8657330231. The cubic root of 2021299608 is about 1264.3779030153.

The spelling of 2021299608 in words is "two billion, twenty-one million, two hundred ninety-nine thousand, six hundred eight".