3816629281 has 2 divisors, whose sum is σ = 3816629282. Its totient is φ = 3816629280.

The previous prime is 3816629261. The next prime is 3816629287. The reversal of 3816629281 is 1829266183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3559315600 + 257313681 = 59660^2 + 16041^2 .

It is a cyclic number.

It is not a de Polignac number, because 3816629281 - 2⁷ = 3816629153 is a prime.

It is a super-2 number, since 2×3816629281² = 29133318137173153922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3816629287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1908314640 + 1908314641.

It is an arithmetic number, because the mean of its divisors is an integer number (1908314641).

Almost surely, 2^3816629281 is an apocalyptic number.

It is an amenable number.

3816629281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3816629281 is an equidigital number, since it uses as much as digits as its factorization.

3816629281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 3816629281 is about 61778.8740671113. The cubic root of 3816629281 is about 1562.7637399791.

The spelling of 3816629281 in words is "three billion, eight hundred sixteen million, six hundred twenty-nine thousand, two hundred eighty-one".