6814933549 has 2 divisors, whose sum is σ = 6814933550. Its totient is φ = 6814933548.

The previous prime is 6814933537. The next prime is 6814933583. The reversal of 6814933549 is 9453394186.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6411204900 + 403728649 = 80070^2 + 20093^2 .

It is a cyclic number.

It is not a de Polignac number, because 6814933549 - 2¹³ = 6814925357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6814933496 and 6814933505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6814933519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3407466774 + 3407466775.

It is an arithmetic number, because the mean of its divisors is an integer number (3407466775).

Almost surely, 2^6814933549 is an apocalyptic number.

It is an amenable number.

6814933549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6814933549 is an equidigital number, since it uses as much as digits as its factorization.

6814933549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 52.

The square root of 6814933549 is about 82552.6107945715. The cubic root of 6814933549 is about 1895.9223306272.

The spelling of 6814933549 in words is "six billion, eight hundred fourteen million, nine hundred thirty-three thousand, five hundred forty-nine".