4149507797 has 2 divisors, whose sum is σ = 4149507798. Its totient is φ = 4149507796.

The previous prime is 4149507751. The next prime is 4149507799. The reversal of 4149507797 is 7977059414.

It is a happy number.

4149507797 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3095141956 + 1054365841 = 55634^2 + 32471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4149507797 is a prime.

Together with 4149507799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4149507799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2074753898 + 2074753899.

It is an arithmetic number, because the mean of its divisors is an integer number (2074753899).

Almost surely, 2^4149507797 is an apocalyptic number.

It is an amenable number.

4149507797 is a deficient number, since it is larger than the sum of its proper divisors (1).

4149507797 is an equidigital number, since it uses as much as digits as its factorization.

4149507797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The square root of 4149507797 is about 64416.6732841739. The cubic root of 4149507797 is about 1606.9370410142.

The spelling of 4149507797 in words is "four billion, one hundred forty-nine million, five hundred seven thousand, seven hundred ninety-seven".