6977547469 has 2 divisors, whose sum is σ = 6977547470. Its totient is φ = 6977547468.

The previous prime is 6977547461. The next prime is 6977547527. The reversal of 6977547469 is 9647457796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6924403369 + 53144100 = 83213^2 + 7290^2 .

It is a cyclic number.

It is not a de Polignac number, because 6977547469 - 2³ = 6977547461 is a prime.

It is a super-2 number, since 2×6977547469² = 97372337364296611922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6977547469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6977547461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488773734 + 3488773735.

It is an arithmetic number, because the mean of its divisors is an integer number (3488773735).

Almost surely, 2^6977547469 is an apocalyptic number.

It is an amenable number.

6977547469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6977547469 is an equidigital number, since it uses as much as digits as its factorization.

6977547469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80015040, while the sum is 64.

The square root of 6977547469 is about 83531.7153481239. The cubic root of 6977547469 is about 1910.8837470765.

The spelling of 6977547469 in words is "six billion, nine hundred seventy-seven million, five hundred forty-seven thousand, four hundred sixty-nine".