3398778913 has 2 divisors, whose sum is σ = 3398778914. Its totient is φ = 3398778912.

The previous prime is 3398778883. The next prime is 3398778937. The reversal of 3398778913 is 3198778933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3184683489 + 214095424 = 56433^2 + 14632^2 .

It is a cyclic number.

It is not a de Polignac number, because 3398778913 - 2⁹ = 3398778401 is a prime.

It is not a weakly prime, because it can be changed into another prime (3398778973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1699389456 + 1699389457.

It is an arithmetic number, because the mean of its divisors is an integer number (1699389457).

Almost surely, 2^3398778913 is an apocalyptic number.

It is an amenable number.

3398778913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3398778913 is an equidigital number, since it uses as much as digits as its factorization.

3398778913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 58.

The square root of 3398778913 is about 58299.0472735190. The cubic root of 3398778913 is about 1503.5145607364.

The spelling of 3398778913 in words is "three billion, three hundred ninety-eight million, seven hundred seventy-eight thousand, nine hundred thirteen".