376823821249 has 2 divisors, whose sum is σ = 376823821250. Its totient is φ = 376823821248.

The previous prime is 376823821147. The next prime is 376823821267. The reversal of 376823821249 is 942128328673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370798180624 + 6025640625 = 608932^2 + 77625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376823821249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 376823821249.

It is not a weakly prime, because it can be changed into another prime (376823821349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188411910624 + 188411910625.

It is an arithmetic number, because the mean of its divisors is an integer number (188411910625).

Almost surely, 2^376823821249 is an apocalyptic number.

It is an amenable number.

376823821249 is a deficient number, since it is larger than the sum of its proper divisors (1).

376823821249 is an equidigital number, since it uses as much as digits as its factorization.

376823821249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 55.

The spelling of 376823821249 in words is "three hundred seventy-six billion, eight hundred twenty-three million, eight hundred twenty-one thousand, two hundred forty-nine".