196929873405 has 30 divisors (see below), whose sum is σ = 353031042078. Its totient is φ = 105024502800.

The previous prime is 196929873379. The next prime is 196929873409. The reversal of 196929873405 is 504378929691.

196929873405 is a `hidden beast` number, since 19 + 69 + 2 + 98 + 73 + 405 = 666.

It can be written as a sum of positive squares in only one way, i.e., 157543898724 + 39385974681 = 396918^2 + 198459^2 .

It is not a de Polignac number, because 196929873405 - 2¹⁵ = 196929840637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196929873409) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8919630 + ... + 8941680.

It is a 1-persistent number, because it is pandigital, but 2⋅196929873405 = 393859746810 is not.

Almost surely, 2^196929873405 is an apocalyptic number.

196929873405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196929873405 is a deficient number, since it is larger than the sum of its proper divisors (156101168673).

196929873405 is an frugal number, since it uses more digits than its factorization.

196929873405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44119 (or 22059 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 196929873405 in words is "one hundred ninety-six billion, nine hundred twenty-nine million, eight hundred seventy-three thousand, four hundred five".