366433343374621 has 2 divisors, whose sum is σ = 366433343374622. Its totient is φ = 366433343374620.

The previous prime is 366433343374577. The next prime is 366433343374663. The reversal of 366433343374621 is 126473343334663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358147638694521 + 8285704680100 = 18924789^2 + 2878490^2 .

It is a cyclic number.

It is not a de Polignac number, because 366433343374621 - 2¹¹ = 366433343372573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366433343371621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183216671687310 + 183216671687311.

It is an arithmetic number, because the mean of its divisors is an integer number (183216671687311).

Almost surely, 2^{366433343374621} is an apocalyptic number.

It is an amenable number.

366433343374621 is a deficient number, since it is larger than the sum of its proper divisors (1).

366433343374621 is an equidigital number, since it uses as much as digits as its factorization.

366433343374621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 58.

The spelling of 366433343374621 in words is "three hundred sixty-six trillion, four hundred thirty-three billion, three hundred forty-three million, three hundred seventy-four thousand, six hundred twenty-one".