376229085821 has 2 divisors, whose sum is σ = 376229085822. Its totient is φ = 376229085820.

The previous prime is 376229085773. The next prime is 376229085833. The reversal of 376229085821 is 128580922673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368412580900 + 7816504921 = 606970^2 + 88411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376229085821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (376229085851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188114542910 + 188114542911.

It is an arithmetic number, because the mean of its divisors is an integer number (188114542911).

Almost surely, 2^376229085821 is an apocalyptic number.

It is an amenable number.

376229085821 is a deficient number, since it is larger than the sum of its proper divisors (1).

376229085821 is an equidigital number, since it uses as much as digits as its factorization.

376229085821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 376229085821 in words is "three hundred seventy-six billion, two hundred twenty-nine million, eighty-five thousand, eight hundred twenty-one".