3499365809 has 2 divisors, whose sum is σ = 3499365810. Its totient is φ = 3499365808.

The previous prime is 3499365781. The next prime is 3499365911. The reversal of 3499365809 is 9085639943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3477696784 + 21669025 = 58972^2 + 4655^2 .

It is an emirp because it is prime and its reverse (9085639943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3499365809 is a prime.

It is a super-2 number, since 2×3499365809² = 24491122130396448962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3499365409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749682904 + 1749682905.

It is an arithmetic number, because the mean of its divisors is an integer number (1749682905).

Almost surely, 2^3499365809 is an apocalyptic number.

It is an amenable number.

3499365809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3499365809 is an equidigital number, since it uses as much as digits as its factorization.

3499365809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The square root of 3499365809 is about 59155.4376959549. The cubic root of 3499365809 is about 1518.2027767129.

The spelling of 3499365809 in words is "three billion, four hundred ninety-nine million, three hundred sixty-five thousand, eight hundred nine".