3249662869 has 2 divisors, whose sum is σ = 3249662870. Its totient is φ = 3249662868.

The previous prime is 3249662837. The next prime is 3249663007. The reversal of 3249662869 is 9682669423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2715452100 + 534210769 = 52110^2 + 23113^2 .

It is a cyclic number.

It is not a de Polignac number, because 3249662869 - 2⁵ = 3249662837 is a prime.

It is a super-2 number, since 2×3249662869² = 21120617524314622322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3249662369) 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, 1624831434 + 1624831435.

It is an arithmetic number, because the mean of its divisors is an integer number (1624831435).

Almost surely, 2^3249662869 is an apocalyptic number.

It is an amenable number.

3249662869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249662869 is an equidigital number, since it uses as much as digits as its factorization.

3249662869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 55.

The square root of 3249662869 is about 57005.8143438018. The cubic root of 3249662869 is about 1481.1968145217.

The spelling of 3249662869 in words is "three billion, two hundred forty-nine million, six hundred sixty-two thousand, eight hundred sixty-nine".