2281343651 has 4 divisors (see below), whose sum is σ = 2281691400. Its totient is φ = 2280995904.

The previous prime is 2281343633. The next prime is 2281343663. The reversal of 2281343651 is 1563431822.

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 2281343651 - 2⁶ = 2281343587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221343651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163841 + ... + 177218.

It is an arithmetic number, because the mean of its divisors is an integer number (570422850).

Almost surely, 2^2281343651 is an apocalyptic number.

2281343651 is a deficient number, since it is larger than the sum of its proper divisors (347749).

2281343651 is an equidigital number, since it uses as much as digits as its factorization.

2281343651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347748.

The product of its digits is 34560, while the sum is 35.

The square root of 2281343651 is about 47763.4133097709. The cubic root of 2281343651 is about 1316.4273707584.

The spelling of 2281343651 in words is "two billion, two hundred eighty-one million, three hundred forty-three thousand, six hundred fifty-one".