2021545048 has 8 divisors (see below), whose sum is σ = 3790396980. Its totient is φ = 1010772520.

The previous prime is 2021545039. The next prime is 2021545051. The reversal of 2021545048 is 8405451202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126346558 + ... + 126346573.

Almost surely, 2^2021545048 is an apocalyptic number.

It is an amenable number.

2021545048 is a deficient number, since it is larger than the sum of its proper divisors (1768851932).

2021545048 is a wasteful number, since it uses less digits than its factorization.

2021545048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252693137 (or 252693133 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 2021545048 is about 44961.5952563963. The cubic root of 2021545048 is about 1264.4290774101.

The spelling of 2021545048 in words is "two billion, twenty-one million, five hundred forty-five thousand, forty-eight".