2949378437 has 2 divisors, whose sum is σ = 2949378438. Its totient is φ = 2949378436.

The previous prime is 2949378359. The next prime is 2949378463. The reversal of 2949378437 is 7348739492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2160948196 + 788430241 = 46486^2 + 28079^2 .

It is a cyclic number.

It is not a de Polignac number, because 2949378437 - 2²⁸ = 2680942981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2949338437) 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, 1474689218 + 1474689219.

It is an arithmetic number, because the mean of its divisors is an integer number (1474689219).

Almost surely, 2^2949378437 is an apocalyptic number.

It is an amenable number.

2949378437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2949378437 is an equidigital number, since it uses as much as digits as its factorization.

2949378437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The square root of 2949378437 is about 54308.1802033543. The cubic root of 2949378437 is about 1434.0914071712.

The spelling of 2949378437 in words is "two billion, nine hundred forty-nine million, three hundred seventy-eight thousand, four hundred thirty-seven".