4336342645981 has 2 divisors, whose sum is σ = 4336342645982. Its totient is φ = 4336342645980.

The previous prime is 4336342645949. The next prime is 4336342646029. The reversal of 4336342645981 is 1895462436334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2706913372900 + 1629429273081 = 1645270^2 + 1276491^2 .

It is a cyclic number.

It is not a de Polignac number, because 4336342645981 - 2⁵ = 4336342645949 is a prime.

It is a super-2 number, since 2×4336342645981² (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 (4336342646981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2168171322990 + 2168171322991.

It is an arithmetic number, because the mean of its divisors is an integer number (2168171322991).

Almost surely, 2^{4336342645981} is an apocalyptic number.

It is an amenable number.

4336342645981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4336342645981 is an equidigital number, since it uses as much as digits as its factorization.

4336342645981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44789760, while the sum is 58.

The spelling of 4336342645981 in words is "four trillion, three hundred thirty-six billion, three hundred forty-two million, six hundred forty-five thousand, nine hundred eighty-one".