201629099 has 4 divisors (see below), whose sum is σ = 230433264. Its totient is φ = 172824936.

The previous prime is 201629089. The next prime is 201629101. The reversal of 201629099 is 990926102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990926102 = 2 ⋅495463051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201629099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201629009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14402072 + ... + 14402085.

It is an arithmetic number, because the mean of its divisors is an integer number (57608316).

Almost surely, 2^201629099 is an apocalyptic number.

201629099 is a deficient number, since it is larger than the sum of its proper divisors (28804165).

201629099 is an equidigital number, since it uses as much as digits as its factorization.

201629099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28804164.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 201629099 is about 14199.6161567840. The cubic root of 201629099 is about 586.3870939288.

The spelling of 201629099 in words is "two hundred one million, six hundred twenty-nine thousand, ninety-nine".