2021842604 has 6 divisors (see below), whose sum is σ = 3538224564. Its totient is φ = 1010921300.

The previous prime is 2021842597. The next prime is 2021842607. The reversal of 2021842604 is 4062481202.

It is not an unprimeable number, because it can be changed into a prime (2021842607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252730322 + ... + 252730329.

It is an arithmetic number, because the mean of its divisors is an integer number (589704094).

Almost surely, 2^2021842604 is an apocalyptic number.

It is an amenable number.

2021842604 is a deficient number, since it is larger than the sum of its proper divisors (1516381960).

2021842604 is a wasteful number, since it uses less digits than its factorization.

2021842604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505460655 (or 505460653 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 2021842604 is about 44964.9041364485. The cubic root of 2021842604 is about 1264.4911124694.

The spelling of 2021842604 in words is "two billion, twenty-one million, eight hundred forty-two thousand, six hundred four".