3770278949 has 2 divisors, whose sum is σ = 3770278950. Its totient is φ = 3770278948.

The previous prime is 3770278937. The next prime is 3770279011. The reversal of 3770278949 is 9498720773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3735409924 + 34869025 = 61118^2 + 5905^2 .

It is an emirp because it is prime and its reverse (9498720773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3770278949 - 2⁸ = 3770278693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3770278894 and 3770278903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3770278909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1885139474 + 1885139475.

It is an arithmetic number, because the mean of its divisors is an integer number (1885139475).

Almost surely, 2^3770278949 is an apocalyptic number.

It is an amenable number.

3770278949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3770278949 is an equidigital number, since it uses as much as digits as its factorization.

3770278949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The square root of 3770278949 is about 61402.5972496278. The cubic root of 3770278949 is about 1556.4117270591.

The spelling of 3770278949 in words is "three billion, seven hundred seventy million, two hundred seventy-eight thousand, nine hundred forty-nine".