376638056749 has 2 divisors, whose sum is σ = 376638056750. Its totient is φ = 376638056748.

The previous prime is 376638056741. The next prime is 376638056783. The reversal of 376638056749 is 947650836673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224764172649 + 151873884100 = 474093^2 + 389710^2 .

It is a cyclic number.

It is not a de Polignac number, because 376638056749 - 2³ = 376638056741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (376638056741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188319028374 + 188319028375.

It is an arithmetic number, because the mean of its divisors is an integer number (188319028375).

Almost surely, 2^376638056749 is an apocalyptic number.

It is an amenable number.

376638056749 is a deficient number, since it is larger than the sum of its proper divisors (1).

376638056749 is an equidigital number, since it uses as much as digits as its factorization.

376638056749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 376638056749 in words is "three hundred seventy-six billion, six hundred thirty-eight million, fifty-six thousand, seven hundred forty-nine".