3499581369499 has 4 divisors (see below), whose sum is σ = 3499698118336. Its totient is φ = 3499464620664.

The previous prime is 3499581369497. The next prime is 3499581369511. The reversal of 3499581369499 is 9949631859943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3499581369499 - 2¹ = 3499581369497 is a prime.

It is a super-2 number, since 2×3499581369499² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3499581369497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58329444 + ... + 58389409.

It is an arithmetic number, because the mean of its divisors is an integer number (874924529584).

Almost surely, 2^{3499581369499} is an apocalyptic number.

3499581369499 is a deficient number, since it is larger than the sum of its proper divisors (116748837).

3499581369499 is a wasteful number, since it uses less digits than its factorization.

3499581369499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116748836.

The product of its digits is 2040733440, while the sum is 79.

The spelling of 3499581369499 in words is "three trillion, four hundred ninety-nine billion, five hundred eighty-one million, three hundred sixty-nine thousand, four hundred ninety-nine".