4194229649 has 2 divisors, whose sum is σ = 4194229650. Its totient is φ = 4194229648.

The previous prime is 4194229619. The next prime is 4194229667. The reversal of 4194229649 is 9469224914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3288219649 + 906010000 = 57343^2 + 30100^2 .

It is a cyclic number.

It is not a de Polignac number, because 4194229649 - 2¹⁶ = 4194164113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4194229597 and 4194229606.

It is not a weakly prime, because it can be changed into another prime (4194229619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097114824 + 2097114825.

It is an arithmetic number, because the mean of its divisors is an integer number (2097114825).

Almost surely, 2^4194229649 is an apocalyptic number.

It is an amenable number.

4194229649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194229649 is an equidigital number, since it uses as much as digits as its factorization.

4194229649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 4194229649 is about 64762.8724579137. The cubic root of 4194229649 is about 1612.6894145540.

The spelling of 4194229649 in words is "four billion, one hundred ninety-four million, two hundred twenty-nine thousand, six hundred forty-nine".