3421937989 has 2 divisors, whose sum is σ = 3421937990. Its totient is φ = 3421937988.

The previous prime is 3421937921. The next prime is 3421938017. The reversal of 3421937989 is 9897391243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2427040225 + 994897764 = 49265^2 + 31542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3421937989 is a prime.

It is a super-2 number, since 2×3421937989² = 23419319201122728242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421997989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710968994 + 1710968995.

It is an arithmetic number, because the mean of its divisors is an integer number (1710968995).

Almost surely, 2^3421937989 is an apocalyptic number.

It is an amenable number.

3421937989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421937989 is an equidigital number, since it uses as much as digits as its factorization.

3421937989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 55.

The square root of 3421937989 is about 58497.3331785305. Note that the first 3 decimals coincide. The cubic root of 3421937989 is about 1506.9217862676.

The spelling of 3421937989 in words is "three billion, four hundred twenty-one million, nine hundred thirty-seven thousand, nine hundred eighty-nine".