689939191419 has 16 divisors (see below), whose sum is σ = 949727877120. Its totient is φ = 445059175680.

The previous prime is 689939191391. The next prime is 689939191453. The reversal of 689939191419 is 914191939986.

It is not a de Polignac number, because 689939191419 - 2¹¹ = 689939189371 is a prime.

It is a super-2 number, since 2×689939191419² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (689939191819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142347 + ... + 1183275.

It is an arithmetic number, because the mean of its divisors is an integer number (59357992320).

Almost surely, 2^689939191419 is an apocalyptic number.

689939191419 is a deficient number, since it is larger than the sum of its proper divisors (259788685701).

689939191419 is a wasteful number, since it uses less digits than its factorization.

689939191419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048090.

The product of its digits is 34012224, while the sum is 69.

The spelling of 689939191419 in words is "six hundred eighty-nine billion, nine hundred thirty-nine million, one hundred ninety-one thousand, four hundred nineteen".