196891735039 has 4 divisors (see below), whose sum is σ = 208473601824. Its totient is φ = 185309868256.

The previous prime is 196891735003. The next prime is 196891735067. The reversal of 196891735039 is 930537198691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930537198691 = 101 ⋅9213239591.

It is a cyclic number.

It is not a de Polignac number, because 196891735039 - 2¹⁷ = 196891603967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196891735099) 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, 5790933367 + ... + 5790933400.

It is an arithmetic number, because the mean of its divisors is an integer number (52118400456).

Almost surely, 2^196891735039 is an apocalyptic number.

196891735039 is a deficient number, since it is larger than the sum of its proper divisors (11581866785).

196891735039 is a wasteful number, since it uses less digits than its factorization.

196891735039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581866784.

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 196891735039 in words is "one hundred ninety-six billion, eight hundred ninety-one million, seven hundred thirty-five thousand, thirty-nine".