3421639489 has 2 divisors, whose sum is σ = 3421639490. Its totient is φ = 3421639488.

The previous prime is 3421639471. The next prime is 3421639531. The reversal of 3421639489 is 9849361243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3133760400 + 287879089 = 55980^2 + 16967^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421639489 - 2⁵ = 3421639457 is a prime.

It is a super-2 number, since 2×3421639489² = 23415233585368362242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3421339489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710819744 + 1710819745.

It is an arithmetic number, because the mean of its divisors is an integer number (1710819745).

Almost surely, 2^3421639489 is an apocalyptic number.

It is an amenable number.

3421639489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421639489 is an equidigital number, since it uses as much as digits as its factorization.

3421639489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 49.

The square root of 3421639489 is about 58494.7817245265. The cubic root of 3421639489 is about 1506.8779680926.

The spelling of 3421639489 in words is "three billion, four hundred twenty-one million, six hundred thirty-nine thousand, four hundred eighty-nine".