6543036469 has 2 divisors, whose sum is σ = 6543036470. Its totient is φ = 6543036468.

The previous prime is 6543036371. The next prime is 6543036509. The reversal of 6543036469 is 9646303456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6497972100 + 45064369 = 80610^2 + 6713^2 .

It is a cyclic number.

It is not a de Polignac number, because 6543036469 - 2¹⁹ = 6542512181 is a prime.

It is a super-2 number, since 2×6543036469² = 85622652469327975922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6543036769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271518234 + 3271518235.

It is an arithmetic number, because the mean of its divisors is an integer number (3271518235).

Almost surely, 2^6543036469 is an apocalyptic number.

It is an amenable number.

6543036469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6543036469 is an equidigital number, since it uses as much as digits as its factorization.

6543036469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The square root of 6543036469 is about 80889.0380026861. The cubic root of 6543036469 is about 1870.3653445573.

The spelling of 6543036469 in words is "six billion, five hundred forty-three million, thirty-six thousand, four hundred sixty-nine".