6783897259397 has 2 divisors, whose sum is σ = 6783897259398. Its totient is φ = 6783897259396.

The previous prime is 6783897259327. The next prime is 6783897259417. The reversal of 6783897259397 is 7939527983876.

6783897259397 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 can be written as a sum of positive squares in only one way, i.e., 5725496625601 + 1058400633796 = 2392801^2 + 1028786^2 .

It is a cyclic number.

It is not a de Polignac number, because 6783897259397 - 2²² = 6783893065093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6783897259327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3391948629698 + 3391948629699.

It is an arithmetic number, because the mean of its divisors is an integer number (3391948629699).

Almost surely, 2^{6783897259397} is an apocalyptic number.

It is an amenable number.

6783897259397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6783897259397 is an equidigital number, since it uses as much as digits as its factorization.

6783897259397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8641624320, while the sum is 83.

The spelling of 6783897259397 in words is "six trillion, seven hundred eighty-three billion, eight hundred ninety-seven million, two hundred fifty-nine thousand, three hundred ninety-seven".