42377300321 has 2 divisors, whose sum is σ = 42377300322. Its totient is φ = 42377300320.

The previous prime is 42377300309. The next prime is 42377300327. The reversal of 42377300321 is 12300377324.

42377300321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39985601296 + 2391699025 = 199964^2 + 48905^2 .

It is a cyclic number.

It is not a de Polignac number, because 42377300321 - 2¹⁰ = 42377299297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42377300327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21188650160 + 21188650161.

It is an arithmetic number, because the mean of its divisors is an integer number (21188650161).

Almost surely, 2^42377300321 is an apocalyptic number.

It is an amenable number.

42377300321 is a deficient number, since it is larger than the sum of its proper divisors (1).

42377300321 is an equidigital number, since it uses as much as digits as its factorization.

42377300321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 32.

Adding to 42377300321 its reverse (12300377324), we get a palindrome (54677677645).

The spelling of 42377300321 in words is "forty-two billion, three hundred seventy-seven million, three hundred thousand, three hundred twenty-one".