7145362891 has 2 divisors, whose sum is σ = 7145362892. Its totient is φ = 7145362890.

The previous prime is 7145362879. The next prime is 7145362997. The reversal of 7145362891 is 1982635417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7145362891 - 2²⁹ = 6608491979 is a prime.

It is not a weakly prime, because it can be changed into another prime (7145362801) 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, 3572681445 + 3572681446.

It is an arithmetic number, because the mean of its divisors is an integer number (3572681446).

Almost surely, 2^7145362891 is an apocalyptic number.

7145362891 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145362891 is an equidigital number, since it uses as much as digits as its factorization.

7145362891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 7145362891 is about 84530.2483789087. The cubic root of 7145362891 is about 1926.0819591219.

The spelling of 7145362891 in words is "seven billion, one hundred forty-five million, three hundred sixty-two thousand, eight hundred ninety-one".