2012669191 has 8 divisors (see below), whose sum is σ = 2169481104. Its totient is φ = 1856141760.

The previous prime is 2012669177. The next prime is 2012669207. The reversal of 2012669191 is 1919662102.

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 2012669191 - 2⁷ = 2012669063 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2012669191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012669101) 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, 56305 + ... + 84826.

It is an arithmetic number, because the mean of its divisors is an integer number (271185138).

Almost surely, 2^2012669191 is an apocalyptic number.

2012669191 is a deficient number, since it is larger than the sum of its proper divisors (156811913).

2012669191 is a wasteful number, since it uses less digits than its factorization.

2012669191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142241.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 2012669191 is about 44862.7818018455. The cubic root of 2012669191 is about 1262.5758155431.

The spelling of 2012669191 in words is "two billion, twelve million, six hundred sixty-nine thousand, one hundred ninety-one".