3826680268949 has 2 divisors, whose sum is σ = 3826680268950. Its totient is φ = 3826680268948.

The previous prime is 3826680268927. The next prime is 3826680268991. The reversal of 3826680268949 is 9498620866283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3656057574724 + 170622694225 = 1912082^2 + 413065^2 .

It is a cyclic number.

It is not a de Polignac number, because 3826680268949 - 2²⁴ = 3826663491733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3826680265949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1913340134474 + 1913340134475.

It is an arithmetic number, because the mean of its divisors is an integer number (1913340134475).

Almost surely, 2^{3826680268949} is an apocalyptic number.

It is an amenable number.

3826680268949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3826680268949 is an equidigital number, since it uses as much as digits as its factorization.

3826680268949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 429981696, while the sum is 71.

The spelling of 3826680268949 in words is "three trillion, eight hundred twenty-six billion, six hundred eighty million, two hundred sixty-eight thousand, nine hundred forty-nine".