7143394919 has 2 divisors, whose sum is σ = 7143394920. Its totient is φ = 7143394918.

The previous prime is 7143394913. The next prime is 7143394931. The reversal of 7143394919 is 9194933417.

7143394919 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7143394919 - 2¹² = 7143390823 is a prime.

It is a super-2 number, since 2×7143394919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7143394913) 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, 3571697459 + 3571697460.

It is an arithmetic number, because the mean of its divisors is an integer number (3571697460).

Almost surely, 2^7143394919 is an apocalyptic number.

7143394919 is a deficient number, since it is larger than the sum of its proper divisors (1).

7143394919 is an equidigital number, since it uses as much as digits as its factorization.

7143394919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 50.

The square root of 7143394919 is about 84518.6069395373. The cubic root of 7143394919 is about 1925.9051160669.

The spelling of 7143394919 in words is "seven billion, one hundred forty-three million, three hundred ninety-four thousand, nine hundred nineteen".