196091629 has 4 divisors (see below), whose sum is σ = 204617376. Its totient is φ = 187565884.

The previous prime is 196091627. The next prime is 196091657. The reversal of 196091629 is 926190691.

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, and also an emirpimes, since its reverse is a distinct semiprime: 926190691 = 9511 ⋅97381.

It is a cyclic number.

It is not a de Polignac number, because 196091629 - 2¹ = 196091627 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 (196091627) 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, 4262839 + ... + 4262884.

It is an arithmetic number, because the mean of its divisors is an integer number (51154344).

Almost surely, 2^196091629 is an apocalyptic number.

It is an amenable number.

196091629 is a deficient number, since it is larger than the sum of its proper divisors (8525747).

196091629 is an equidigital number, since it uses as much as digits as its factorization.

196091629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525746.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 196091629 is about 14003.2720819100. The cubic root of 196091629 is about 580.9690785107.

The spelling of 196091629 in words is "one hundred ninety-six million, ninety-one thousand, six hundred twenty-nine".