2021552049 has 8 divisors (see below), whose sum is σ = 2940439392. Its totient is φ = 1225183040.

The previous prime is 2021552021. The next prime is 2021552051. The reversal of 2021552049 is 9402551202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021552049 - 2⁸ = 2021551793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021552009) 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, 30629544 + ... + 30629609.

It is an arithmetic number, because the mean of its divisors is an integer number (367554924).

Almost surely, 2^2021552049 is an apocalyptic number.

It is an amenable number.

2021552049 is a deficient number, since it is larger than the sum of its proper divisors (918887343).

2021552049 is a wasteful number, since it uses less digits than its factorization.

2021552049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61259167.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2021552049 is about 44961.6731116626. The cubic root of 2021552049 is about 1264.4305370623.

The spelling of 2021552049 in words is "two billion, twenty-one million, five hundred fifty-two thousand, forty-nine".