6418133461 has 2 divisors, whose sum is σ = 6418133462. Its totient is φ = 6418133460.

The previous prime is 6418133441. The next prime is 6418133549. The reversal of 6418133461 is 1643318146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6367082436 + 51051025 = 79794^2 + 7145^2 .

It is a cyclic number.

It is not a de Polignac number, because 6418133461 - 2¹⁷ = 6418002389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6418133461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6418133441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209066730 + 3209066731.

It is an arithmetic number, because the mean of its divisors is an integer number (3209066731).

Almost surely, 2^6418133461 is an apocalyptic number.

It is an amenable number.

6418133461 is a deficient number, since it is larger than the sum of its proper divisors (1).

6418133461 is an equidigital number, since it uses as much as digits as its factorization.

6418133461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 6418133461 is about 80113.2539658701. The cubic root of 6418133461 is about 1858.3873814109.

The spelling of 6418133461 in words is "six billion, four hundred eighteen million, one hundred thirty-three thousand, four hundred sixty-one".