3842890651 has 2 divisors, whose sum is σ = 3842890652. Its totient is φ = 3842890650.

The previous prime is 3842890643. The next prime is 3842890661. The reversal of 3842890651 is 1560982483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3842890651 - 2³ = 3842890643 is a prime.

It is not a weakly prime, because it can be changed into another prime (3842890661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1921445325 + 1921445326.

It is an arithmetic number, because the mean of its divisors is an integer number (1921445326).

Almost surely, 2^3842890651 is an apocalyptic number.

3842890651 is a deficient number, since it is larger than the sum of its proper divisors (1).

3842890651 is an equidigital number, since it uses as much as digits as its factorization.

3842890651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 3842890651 is about 61991.0529915406. The cubic root of 3842890651 is about 1566.3398924973.

The spelling of 3842890651 in words is "three billion, eight hundred forty-two million, eight hundred ninety thousand, six hundred fifty-one".