6697560673 has 2 divisors, whose sum is σ = 6697560674. Its totient is φ = 6697560672.

The previous prime is 6697560641. The next prime is 6697560679. The reversal of 6697560673 is 3760657966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5163428449 + 1534132224 = 71857^2 + 39168^2 .

It is a cyclic number.

It is not a de Polignac number, because 6697560673 - 2⁵ = 6697560641 is a prime.

It is a super-3 number, since 3×6697560673³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6697560679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348780336 + 3348780337.

It is an arithmetic number, because the mean of its divisors is an integer number (3348780337).

Almost surely, 2^6697560673 is an apocalyptic number.

It is an amenable number.

6697560673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6697560673 is an equidigital number, since it uses as much as digits as its factorization.

6697560673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The square root of 6697560673 is about 81838.6258010238. The cubic root of 6697560673 is about 1884.9748157813.

The spelling of 6697560673 in words is "six billion, six hundred ninety-seven million, five hundred sixty thousand, six hundred seventy-three".