6902270227549 has 2 divisors, whose sum is σ = 6902270227550. Its totient is φ = 6902270227548.

The previous prime is 6902270227547. The next prime is 6902270227603. The reversal of 6902270227549 is 9457220722096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5887989604324 + 1014280623225 = 2426518^2 + 1007115^2 .

It is a cyclic number.

It is not a de Polignac number, because 6902270227549 - 2¹ = 6902270227547 is a prime.

Together with 6902270227547, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6902270227549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6902270227547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3451135113774 + 3451135113775.

It is an arithmetic number, because the mean of its divisors is an integer number (3451135113775).

Almost surely, 2^{6902270227549} is an apocalyptic number.

It is an amenable number.

6902270227549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6902270227549 is an equidigital number, since it uses as much as digits as its factorization.

6902270227549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 6902270227549 in words is "six trillion, nine hundred two billion, two hundred seventy million, two hundred twenty-seven thousand, five hundred forty-nine".