3299669521 has 2 divisors, whose sum is σ = 3299669522. Its totient is φ = 3299669520.

The previous prime is 3299669501. The next prime is 3299669557. The reversal of 3299669521 is 1259669923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3282029521 + 17640000 = 57289^2 + 4200^2 .

It is a cyclic number.

It is not a de Polignac number, because 3299669521 - 2²³ = 3291280913 is a prime.

It is not a weakly prime, because it can be changed into another prime (3299669501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1649834760 + 1649834761.

It is an arithmetic number, because the mean of its divisors is an integer number (1649834761).

Almost surely, 2^3299669521 is an apocalyptic number.

It is an amenable number.

3299669521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3299669521 is an equidigital number, since it uses as much as digits as its factorization.

3299669521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 52.

The square root of 3299669521 is about 57442.7499428779. The cubic root of 3299669521 is about 1488.7558524088.

The spelling of 3299669521 in words is "three billion, two hundred ninety-nine million, six hundred sixty-nine thousand, five hundred twenty-one".