3299989657 has 2 divisors, whose sum is σ = 3299989658. Its totient is φ = 3299989656.

The previous prime is 3299989577. The next prime is 3299989661. The reversal of 3299989657 is 7569899923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2297380761 + 1002608896 = 47931^2 + 31664^2 .

It is an emirp because it is prime and its reverse (7569899923) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3299989657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3299989592 and 3299989601.

It is not a weakly prime, because it can be changed into another prime (3299989057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1649994828 + 1649994829.

It is an arithmetic number, because the mean of its divisors is an integer number (1649994829).

Almost surely, 2^3299989657 is an apocalyptic number.

It is an amenable number.

3299989657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3299989657 is an equidigital number, since it uses as much as digits as its factorization.

3299989657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66134880, while the sum is 67.

The square root of 3299989657 is about 57445.5364410500. The cubic root of 3299989657 is about 1488.8039975264.

The spelling of 3299989657 in words is "three billion, two hundred ninety-nine million, nine hundred eighty-nine thousand, six hundred fifty-seven".