196129323761 has 4 divisors (see below), whose sum is σ = 224147798592. Its totient is φ = 168110848932.

The previous prime is 196129323757. The next prime is 196129323773. The reversal of 196129323761 is 167323921691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196129323761 - 2² = 196129323757 is a prime.

It is a super-3 number, since 3×196129323761³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196129323461) 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, 14009237405 + ... + 14009237418.

It is an arithmetic number, because the mean of its divisors is an integer number (56036949648).

Almost surely, 2^196129323761 is an apocalyptic number.

It is an amenable number.

196129323761 is a deficient number, since it is larger than the sum of its proper divisors (28018474831).

196129323761 is an equidigital number, since it uses as much as digits as its factorization.

196129323761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28018474830.

The product of its digits is 734832, while the sum is 50.

The spelling of 196129323761 in words is "one hundred ninety-six billion, one hundred twenty-nine million, three hundred twenty-three thousand, seven hundred sixty-one".