6840097619 has 2 divisors, whose sum is σ = 6840097620. Its totient is φ = 6840097618.

The previous prime is 6840097571. The next prime is 6840097637. The reversal of 6840097619 is 9167900486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6840097619 - 2¹² = 6840093523 is a prime.

It is a super-2 number, since 2×6840097619² = 93573870874898938322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6840097669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3420048809 + 3420048810.

It is an arithmetic number, because the mean of its divisors is an integer number (3420048810).

Almost surely, 2^6840097619 is an apocalyptic number.

6840097619 is a deficient number, since it is larger than the sum of its proper divisors (1).

6840097619 is an equidigital number, since it uses as much as digits as its factorization.

6840097619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 6840097619 is about 82704.8826793195. The cubic root of 6840097619 is about 1898.2530220054.

The spelling of 6840097619 in words is "six billion, eight hundred forty million, ninety-seven thousand, six hundred nineteen".