2821051345 has 16 divisors (see below), whose sum is σ = 3904369920. Its totient is φ = 1916685504.

The previous prime is 2821051327. The next prime is 2821051379. The reversal of 2821051345 is 5431501282.

It is a cyclic number.

It is not a de Polignac number, because 2821051345 - 2⁵ = 2821051313 is a prime.

It is a super-2 number, since 2×2821051345² = 15916661382252618050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365917 + ... + 373546.

It is an arithmetic number, because the mean of its divisors is an integer number (244023120).

Almost surely, 2^2821051345 is an apocalyptic number.

It is an amenable number.

2821051345 is a deficient number, since it is larger than the sum of its proper divisors (1083318575).

2821051345 is a wasteful number, since it uses less digits than its factorization.

2821051345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739584.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 2821051345 is about 53113.5702528083. The cubic root of 2821051345 is about 1412.9831956393.

The spelling of 2821051345 in words is "two billion, eight hundred twenty-one million, fifty-one thousand, three hundred forty-five".