6818037461 has 2 divisors, whose sum is σ = 6818037462. Its totient is φ = 6818037460.

The previous prime is 6818037353. The next prime is 6818037503. The reversal of 6818037461 is 1647308186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6761937361 + 56100100 = 82231^2 + 7490^2 .

It is a cyclic number.

It is not a de Polignac number, because 6818037461 - 2¹⁸ = 6817775317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6818057461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409018730 + 3409018731.

It is an arithmetic number, because the mean of its divisors is an integer number (3409018731).

Almost surely, 2^6818037461 is an apocalyptic number.

It is an amenable number.

6818037461 is a deficient number, since it is larger than the sum of its proper divisors (1).

6818037461 is an equidigital number, since it uses as much as digits as its factorization.

6818037461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 6818037461 is about 82571.4082537049. The cubic root of 6818037461 is about 1896.2101242320.

The spelling of 6818037461 in words is "six billion, eight hundred eighteen million, thirty-seven thousand, four hundred sixty-one".