196699129639 has 8 divisors (see below), whose sum is σ = 198514966320. Its totient is φ = 194883497856.

The previous prime is 196699129637. The next prime is 196699129643. The reversal of 196699129639 is 936921996691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196699129639 - 2¹ = 196699129637 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 (196699129637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428239 + ... + 2507935.

It is an arithmetic number, because the mean of its divisors is an integer number (24814370790).

Almost surely, 2^196699129639 is an apocalyptic number.

196699129639 is a deficient number, since it is larger than the sum of its proper divisors (1815836681).

196699129639 is a wasteful number, since it uses less digits than its factorization.

196699129639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102449.

The product of its digits is 76527504, while the sum is 70.

The spelling of 196699129639 in words is "one hundred ninety-six billion, six hundred ninety-nine million, one hundred twenty-nine thousand, six hundred thirty-nine".