6627547061 has 2 divisors, whose sum is σ = 6627547062. Its totient is φ = 6627547060.

The previous prime is 6627547039. The next prime is 6627547063. The reversal of 6627547061 is 1607457266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3492219025 + 3135328036 = 59095^2 + 55994^2 .

It is a cyclic number.

It is not a de Polignac number, because 6627547061 - 2²⁶ = 6560438197 is a prime.

It is a super-3 number, since 3×6627547061³ (a number of 30 digits) contains 333 as substring.

Together with 6627547063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6627547063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313773530 + 3313773531.

It is an arithmetic number, because the mean of its divisors is an integer number (3313773531).

Almost surely, 2^6627547061 is an apocalyptic number.

It is an amenable number.

6627547061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6627547061 is an equidigital number, since it uses as much as digits as its factorization.

6627547061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 6627547061 is about 81409.7479482648. The cubic root of 6627547061 is about 1878.3835378174.

The spelling of 6627547061 in words is "six billion, six hundred twenty-seven million, five hundred forty-seven thousand, sixty-one".