7466643851 has 2 divisors, whose sum is σ = 7466643852. Its totient is φ = 7466643850.

The previous prime is 7466643809. The next prime is 7466643859. The reversal of 7466643851 is 1583466647.

7466643851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7466643851 is a prime.

It is a super-2 number, since 2×7466643851² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7466643851.

It is not a weakly prime, because it can be changed into another prime (7466643859) 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, 3733321925 + 3733321926.

It is an arithmetic number, because the mean of its divisors is an integer number (3733321926).

Almost surely, 2^7466643851 is an apocalyptic number.

7466643851 is a deficient number, since it is larger than the sum of its proper divisors (1).

7466643851 is an equidigital number, since it uses as much as digits as its factorization.

7466643851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 50.

The square root of 7466643851 is about 86409.7439586532. The cubic root of 7466643851 is about 1954.5276210367.

The spelling of 7466643851 in words is "seven billion, four hundred sixty-six million, six hundred forty-three thousand, eight hundred fifty-one".