366407943641 has 2 divisors, whose sum is σ = 366407943642. Its totient is φ = 366407943640.

The previous prime is 366407943613. The next prime is 366407943679. The reversal of 366407943641 is 146349704663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345395991616 + 21011952025 = 587704^2 + 144955^2 .

It is an emirp because it is prime and its reverse (146349704663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 366407943641 - 2²⁶ = 366340834777 is a prime.

It is not a weakly prime, because it can be changed into another prime (366407943241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183203971820 + 183203971821.

It is an arithmetic number, because the mean of its divisors is an integer number (183203971821).

Almost surely, 2^366407943641 is an apocalyptic number.

It is an amenable number.

366407943641 is a deficient number, since it is larger than the sum of its proper divisors (1).

366407943641 is an equidigital number, since it uses as much as digits as its factorization.

366407943641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 366407943641 in words is "three hundred sixty-six billion, four hundred seven million, nine hundred forty-three thousand, six hundred forty-one".