6697341261 has 12 divisors (see below), whose sum is σ = 10418086588. Its totient is φ = 4121440704.

The previous prime is 6697341257. The next prime is 6697341269. The reversal of 6697341261 is 1621437966.

It can be written as a sum of positive squares in 2 ways, for example, as 4464778761 + 2232562500 = 66819^2 + 47250^2 .

It is not a de Polignac number, because 6697341261 - 2² = 6697341257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697341269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28621000 + ... + 28621233.

Almost surely, 2^6697341261 is an apocalyptic number.

It is an amenable number.

6697341261 is a deficient number, since it is larger than the sum of its proper divisors (3720745327).

6697341261 is a wasteful number, since it uses less digits than its factorization.

6697341261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57242252 (or 57242249 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 6697341261 is about 81837.2852738897. The cubic root of 6697341261 is about 1884.9542316397.

The spelling of 6697341261 in words is "six billion, six hundred ninety-seven million, three hundred forty-one thousand, two hundred sixty-one".