196211963569 has 8 divisors (see below), whose sum is σ = 206569583840. Its totient is φ = 185857410816.

The previous prime is 196211963543. The next prime is 196211963573. The reversal of 196211963569 is 965369112691.

It is a happy number.

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 196211963569 - 2⁵ = 196211963537 is a prime.

It is a super-2 number, since 2×196211963569² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196211963599) 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, 634992 + ... + 891985.

It is an arithmetic number, because the mean of its divisors is an integer number (25821197980).

Almost surely, 2^196211963569 is an apocalyptic number.

196211963569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

196211963569 is a deficient number, since it is larger than the sum of its proper divisors (10357620271).

196211963569 is a wasteful number, since it uses less digits than its factorization.

196211963569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533759.

The product of its digits is 4723920, while the sum is 58.

The spelling of 196211963569 in words is "one hundred ninety-six billion, two hundred eleven million, nine hundred sixty-three thousand, five hundred sixty-nine".