3398561559591 has 16 divisors (see below), whose sum is σ = 4991356081920. Its totient is φ = 2039736856320.

The previous prime is 3398561559559. The next prime is 3398561559667. The reversal of 3398561559591 is 1959551658933.

3398561559591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3398561559591 - 2⁵ = 3398561559559 is a prime.

It is a super-2 number, since 2×3398561559591² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3398561559521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499932106 + ... + 499938903.

It is an arithmetic number, because the mean of its divisors is an integer number (311959755120).

Almost surely, 2^{3398561559591} is an apocalyptic number.

3398561559591 is a deficient number, since it is larger than the sum of its proper divisors (1592794522329).

3398561559591 is a wasteful number, since it uses less digits than its factorization.

3398561559591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999871126.

The product of its digits is 196830000, while the sum is 69.

The spelling of 3398561559591 in words is "three trillion, three hundred ninety-eight billion, five hundred sixty-one million, five hundred fifty-nine thousand, five hundred ninety-one".