6554155219 has 2 divisors, whose sum is σ = 6554155220. Its totient is φ = 6554155218.

The previous prime is 6554155211. The next prime is 6554155249. The reversal of 6554155219 is 9125514556.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6554155219 - 2³ = 6554155211 is a prime.

It is a super-2 number, since 2×6554155219² = 85913901269489875922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6554155211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277077609 + 3277077610.

It is an arithmetic number, because the mean of its divisors is an integer number (3277077610).

Almost surely, 2^6554155219 is an apocalyptic number.

6554155219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6554155219 is an equidigital number, since it uses as much as digits as its factorization.

6554155219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 43.

The square root of 6554155219 is about 80957.7372398710. The cubic root of 6554155219 is about 1871.4241983013.

The spelling of 6554155219 in words is "six billion, five hundred fifty-four million, one hundred fifty-five thousand, two hundred nineteen".