6919960387 has 2 divisors, whose sum is σ = 6919960388. Its totient is φ = 6919960386.

The previous prime is 6919960273. The next prime is 6919960391. The reversal of 6919960387 is 7830699196.

6919960387 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 not a de Polignac number, because 6919960387 - 2¹⁹ = 6919436099 is a prime.

It is not a weakly prime, because it can be changed into another prime (6919960087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459980193 + 3459980194.

It is an arithmetic number, because the mean of its divisors is an integer number (3459980194).

Almost surely, 2^6919960387 is an apocalyptic number.

6919960387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6919960387 is an equidigital number, since it uses as much as digits as its factorization.

6919960387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 6919960387 is about 83186.2992745801. The cubic root of 6919960387 is about 1905.6122507191.

The spelling of 6919960387 in words is "six billion, nine hundred nineteen million, nine hundred sixty thousand, three hundred eighty-seven".