4167848341781 has 2 divisors, whose sum is σ = 4167848341782. Its totient is φ = 4167848341780.

The previous prime is 4167848341777. The next prime is 4167848341801. The reversal of 4167848341781 is 1871438487614.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3346097026756 + 821751315025 = 1829234^2 + 906505^2 .

It is a cyclic number.

It is not a de Polignac number, because 4167848341781 - 2² = 4167848341777 is a prime.

It is a super-2 number, since 2×4167848341781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4167848341751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083924170890 + 2083924170891.

It is an arithmetic number, because the mean of its divisors is an integer number (2083924170891).

Almost surely, 2^{4167848341781} is an apocalyptic number.

It is an amenable number.

4167848341781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4167848341781 is an equidigital number, since it uses as much as digits as its factorization.

4167848341781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28901376, while the sum is 62.

The spelling of 4167848341781 in words is "four trillion, one hundred sixty-seven billion, eight hundred forty-eight million, three hundred forty-one thousand, seven hundred eighty-one".