6834555397 has 2 divisors, whose sum is σ = 6834555398. Its totient is φ = 6834555396.

The previous prime is 6834555389. The next prime is 6834555439. The reversal of 6834555397 is 7935554386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3854050561 + 2980504836 = 62081^2 + 54594^2 .

It is a cyclic number.

It is not a de Polignac number, because 6834555397 - 2³ = 6834555389 is a prime.

It is a super-2 number, since 2×6834555397² = 93422294949323655218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6834555197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3417277698 + 3417277699.

It is an arithmetic number, because the mean of its divisors is an integer number (3417277699).

Almost surely, 2^6834555397 is an apocalyptic number.

It is an amenable number.

6834555397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6834555397 is an equidigital number, since it uses as much as digits as its factorization.

6834555397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608000, while the sum is 55.

The square root of 6834555397 is about 82671.3698749452. The cubic root of 6834555397 is about 1897.7401939258.

The spelling of 6834555397 in words is "six billion, eight hundred thirty-four million, five hundred fifty-five thousand, three hundred ninety-seven".