2021688496 has 20 divisors (see below), whose sum is σ = 3927705952. Its totient is φ = 1008086976.

The previous prime is 2021688463. The next prime is 2021688563. The reversal of 2021688496 is 6948861202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166275 + ... + 178018.

Almost surely, 2^2021688496 is an apocalyptic number.

It is an amenable number.

2021688496 is a deficient number, since it is larger than the sum of its proper divisors (1906017456).

2021688496 is a wasteful number, since it uses less digits than its factorization.

2021688496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344668 (or 344662 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 2021688496 is about 44963.1904561943. The cubic root of 2021688496 is about 1264.4589844908.

The spelling of 2021688496 in words is "two billion, twenty-one million, six hundred eighty-eight thousand, four hundred ninety-six".