6545653819 has 2 divisors, whose sum is σ = 6545653820. Its totient is φ = 6545653818.

The previous prime is 6545653717. The next prime is 6545653841. The reversal of 6545653819 is 9183565456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6545653819 - 2¹³ = 6545645627 is a prime.

It is a super-2 number, since 2×6545653819² = 85691167836378569522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6545653879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272826909 + 3272826910.

It is an arithmetic number, because the mean of its divisors is an integer number (3272826910).

Almost surely, 2^6545653819 is an apocalyptic number.

6545653819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545653819 is an equidigital number, since it uses as much as digits as its factorization.

6545653819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 52.

The square root of 6545653819 is about 80905.2150296877. The cubic root of 6545653819 is about 1870.6147062591.

The spelling of 6545653819 in words is "six billion, five hundred forty-five million, six hundred fifty-three thousand, eight hundred nineteen".