2821134651 has 4 divisors (see below), whose sum is σ = 3761512872. Its totient is φ = 1880756432.

The previous prime is 2821134647. The next prime is 2821134653. The reversal of 2821134651 is 1564311282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2821134651 - 2² = 2821134647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2821134653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470189106 + ... + 470189111.

It is an arithmetic number, because the mean of its divisors is an integer number (940378218).

Almost surely, 2^2821134651 is an apocalyptic number.

2821134651 is a deficient number, since it is larger than the sum of its proper divisors (940378221).

2821134651 is an equidigital number, since it uses as much as digits as its factorization.

2821134651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940378220.

The product of its digits is 11520, while the sum is 33.

The square root of 2821134651 is about 53114.3544722140. The cubic root of 2821134651 is about 1412.9971040260.

The spelling of 2821134651 in words is "two billion, eight hundred twenty-one million, one hundred thirty-four thousand, six hundred fifty-one".