191796414433 has 16 divisors (see below), whose sum is σ = 213405512320. Its totient is φ = 171246628224.

The previous prime is 191796414421. The next prime is 191796414457. The reversal of 191796414433 is 334414697191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-191796414433 is a prime.

It is a super-2 number, since 2×191796414433² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (191796474433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607988 + ... + 1723141.

It is an arithmetic number, because the mean of its divisors is an integer number (13337844520).

Almost surely, 2^191796414433 is an apocalyptic number.

191796414433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

191796414433 is a deficient number, since it is larger than the sum of its proper divisors (21609097887).

191796414433 is a wasteful number, since it uses less digits than its factorization.

191796414433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331288.

The product of its digits is 1959552, while the sum is 52.

The spelling of 191796414433 in words is "one hundred ninety-one billion, seven hundred ninety-six million, four hundred fourteen thousand, four hundred thirty-three".